Q: What is the sum of all factors of the number 66,520 including 66,520?
A: 149,760
The factors of the number 66,520 are: 1, 2, 4, 5, 8, 10, 20, 40, 1663, 3326, 6652, 8315, 13304, 16630, 33260, 66520.
If you add them up, you will get the total of 149,760.