Q: What is the sum of all factors of the number 9,920 including 9,920?
A: 24,384
The factors of the number 9,920 are: 1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920.
If you add them up, you will get the total of 24,384.