Q: What is the sum of all factors of the number 165,640 including 165,640?
A: 385,560
The factors of the number 165,640 are: 1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 101, 164, 202, 205, 328, 404, 410, 505, 808, 820, 1010, 1640, 2020, 4040, 4141, 8282, 16564, 20705, 33128, 41410, 82820, 165640.
If you add them up, you will get the total of 385,560.