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#include <iostream>
#include <fstream>
using namespace std;
#define n 100000
long phi[n];
int Sum(int y)
{
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] /=i; phi[j] *= (i-1);}
}
return phi[y];
}
int main()
{
ifstream f("sum.in");
ofstream g("sum.out");
long x, p ;
f>>p;
for(int i =1 ; i<=p ; i++)
{
f>>x;
g<<Sum(x)*x*2<<"\n";
}
}