#include <fstream>

using namespace std;
ifstream fin("sum.in");
ofstream fout("sum.out");

 int n, i, j, v[100005];
 long long x;
int main()
{
    fin >> n;
    for(i=2;i<=100000;i++)
        v[i]=i-1;
    for(i=2;i<=100000;++i)
        for(j=2*i;j<=100000;j+=i)
            v[j]-=v[i];
           // for(i=1;i<=100;i++)
         //       fout<<i<<" "<<v[i]<<endl;
    for (i=1;i<=n;i++)
    {
        fin>>x;
        fout<<x*v[x]*2<<'\n';
    }
    return 0;
}