Q: What is the sum of all factors of the number 133,720 including 133,720?
A: 300,960
The factors of the number 133,720 are: 1, 2, 4, 5, 8, 10, 20, 40, 3343, 6686, 13372, 16715, 26744, 33430, 66860, 133720.
If you add them up, you will get the total of 300,960.