#include <fstream>

using namespace std;
ifstream cin("sum.in");
ofstream cout("sum.out");
int n,i,j,nr,v[100005];
int main()
{
    for(i=2;i<=100000;i++)
        v[i]=i;
    for(i=2;i<=100000;i++)
        if(v[i]==i)
            for(j=i;j<=100000;j+=i)
                v[j]=v[j]/i*(i-1);
    cin>>n;
    for(i=1;i<=n;i++)
    {
        cin>>nr;
        cout<<(long long)(2*(long long)(nr*v[nr]))<<'\n';
    }
    return 0;
}