Q: What is the sum of all factors of the number 1,291,260 including 1,291,260?
A: 3,615,696
The factors of the number 1,291,260 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 21521, 43042, 64563, 86084, 107605, 129126, 215210, 258252, 322815, 430420, 645630, 1291260.
If you add them up, you will get the total of 3,615,696.