#include <iostream>
using namespace std;
int main() {
// your code goes here
int A,cnt=0,i,j;
cin>>A;
for(i=1;i<=A-1;i++){
if(A%i==0&&(i<=A/i)) {
cnt++;
cout<<"宽="<<i<<"长="<<A/i<<"\n";
}
}
cout<<cnt;
return 0;
}
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