Q: What is the sum of all factors of the number 1,225,640 including 1,225,640?
A: 2,971,080
The factors of the number 1,225,640 are: 1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 2357, 4714, 9428, 11785, 18856, 23570, 30641, 47140, 61282, 94280, 122564, 153205, 245128, 306410, 612820, 1225640.
If you add them up, you will get the total of 2,971,080.