Q: What is the sum of all factors of the number 813,980 including 813,980?
A: 1,709,400
The factors of the number 813,980 are: 1, 2, 4, 5, 10, 20, 40699, 81398, 162796, 203495, 406990, 813980.
If you add them up, you will get the total of 1,709,400.