Dev - C++ - DIVISORES ENTEROS MATRIZ

int n=500,i,j,primo,suma;

suma=0;

if (n>1){

   for (i=2; i <=n;i++){

      primo=1;

      for(j=2;j <i;j++){

         if(i%j==0){

            primo=0;

            break;

         }

      }

      if (primo==1 && n%i==0){

         suma += i;

         n /= i;

      }

   }

}else {

   suma += n;

}

int i,j,k,suma;

int numbers[2][2]={{20,10}, {30,100}};

char salida[2][2];

for (i=0;i <2;i++){

   for (j=0;j <2;j++){

      suma=0;

      for (k=0;k <n;k++){

         if (numbers [i][j]%k==0)

            suma += k;

      }

      if (suma > numbers [i][j])

         salida [i][j]='M';

      else

         salida [i][j]='N';

   }

}

#include <stdio.h>

#include <stdlib.h>

#include <conio.h>

#include <time.h>

int matriz[2][2];

int main()

{

    srand(time(0));

    for (int i=0;i<2;i++)

    {

        for (int j=0;j<2;j++)

        {

            matriz[i][j]=rand();

            printf("\t%d",matriz[i][j]);

        }

      printf("\n\n");

    }

   return 0;

}