Q: What is the sum of all factors of the number 639,340 including 639,340?
A: 1,446,480
The factors of the number 639,340 are: 1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2459, 4918, 9836, 12295, 24590, 31967, 49180, 63934, 127868, 159835, 319670, 639340.
If you add them up, you will get the total of 1,446,480.