#include <fstream>
#include <iostream>

using namespace std;

ifstream f ("sum.in");
ofstream g ("sum.out");

const int NMAX = 1e5;
int c[NMAX+1];

void precalcul(){
    for(int i=2; i<=NMAX; i++)
        c[i] = i;
    for(int i=2; i<=NMAX; i++)
        if(c[i] == i)
            for(int j=i; j<=NMAX; j+=i)
                c[j] = c[j]/i*(i-1);
        
}

int main()
{
    precalcul();
    int n;
    f>>n;
    for(int i=1; i<=n; i++){
        int k;
        f>>k;
        g<<(long long)c[k]*k*2<<"\n";
    }
    

    return 0;
}