Q: What is the sum of all factors of the number 208,520 including 208,520?
A: 506,520
The factors of the number 208,520 are: 1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 401, 520, 802, 1604, 2005, 3208, 4010, 5213, 8020, 10426, 16040, 20852, 26065, 41704, 52130, 104260, 208520.
If you add them up, you will get the total of 506,520.