#include<fstream>
using namespace std;
int main()
{
	ifstream f("sum.in");
	ofstream g("sum.out");
	long i,j,n,x,totient[10000];
	for(i=1;i<=10001;++i) totient[i]=i;
	for(i=2;i<=10001;++i)
		if(totient[i]==i)
		{
			for(j=i;j<=10001;j=j+i)
			totient[j]=totient[j]-totient[j]/i;
		}
	f>>n;
	for(i=1;i<=n;++i)
	{
		f>>x;
		g<<2*x*totient[x]<<"\n";
	}
	f.close();
	g.close();
	return 0;
}