Q: What is the sum of all factors of the number 800,780 excluding 800,780?
A: 880,900
The factors of the number 800,780 are: 1, 2, 4, 5, 10, 20, 40039, 80078, 160156, 200195, 400390, 800780.
If you add them up, you will get the total of 801,660. Now subtract 800,780 to get 880,900