Q: What is the sum of all factors of the number 2,800 including 2,800?
A: 7,688
The factors of the number 2,800 are: 1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800.
If you add them up, you will get the total of 7,688.