Q: What is the sum of all factors of the number 12,578,780 excluding 12,578,780?
A: 13,836,700
The factors of the number 12,578,780 are: 1, 2, 4, 5, 10, 20, 628939, 1257878, 2515756, 3144695, 6289390, 12578780.
If you add them up, you will get the total of 12,578,793. Now subtract 12,578,780 to get 13,836,700