C++ :

#include <bits/stdc++.h>
using namespace std;

int main()
{
    long long m,n,i,c = 0,x;
    cin>>m>>n;
    x = m * n;
    for(i = 2;i <= sqrt(x);i++){
    	if(x % i == 0 && i != m){
    		c++;
		}
	}
	
	cout<<c<<endl;
	return 0;
}

Python :

m,n=list(map(int,input().split()))
#n=int(input())
c=m*n
sum=0
for i in range(2,int(c**0.5)+1):
    if c%i==0 and i<=c//i and i!=min(m,n):
        sum=sum+1
print(sum)