#include <fstream>
using namespace std;
ifstream f ("sum.in");
ofstream g ("sum.out");
int n,i,j,t;
long long v[100009];
int main()
{
    f>>n;
    for(i=1;i<=100000;++i) v[i]=i-1;
    for(i=2;i<=100000;++i)
    {
        for (j=i*2;j<=100000;j+=i) v[j]-=v[i];
    }
    for(i=1;i<=n;++i)
    {
        f>>t;
        g<<2*t*v[t]<<'\n';
    }
    return 0;
}