Q: What is the sum of all factors of the number 9,800 including 9,800?
A: 26,505
The factors of the number 9,800 are: 1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2450, 4900, 9800.
If you add them up, you will get the total of 26,505.