#include <fstream>

#define NRMAX 100000

using namespace std;

int main()
{
    int p[NRMAX + 1];
    for(int i = 2; i <= NRMAX; i++)
        p[i] = i;

    for(int i = 2; i <= NRMAX; i++)
        if(p[i] == i)
            for(int j = i; j <= NRMAX; j += i)
                p[j] = p[j] / i * (i - 1);

    ifstream f("sum.in");
    ofstream g("sum.out");
    
    int t, x;
    f >> t;

    for(int i = 1; i <= t; i++)
    {
        f >> x;
        g << (long long)(2 * x * p[x]) << '\n';
    }

    f.close();
    g.close();
    return 0;
}