#include <iostream>
#include <fstream>

using namespace std;

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

const int NMAX = 100000;
int Phi[NMAX + 1];

void Euler(int n)
{
    for(int i = 1; i <= n; i++)
        Phi[i] = i;
    for(int i = 2; i <= n; i++)
        if(Phi[i] == i)
            for(int j = i; j <= n; j += i)
                Phi[j] -= Phi[j] / i;
}

int main()
{
    int n, x;
    Euler(NMAX);
    f >> n;
    while(n--)
    {
        f >> x;
        g << 2LL * Phi[x] * x << '\n';
    }
    f.close();
    g.close();
    return 0;
}