Q: What is the sum of all factors of the number 19,960 including 19,960?
A: 45,000
The factors of the number 19,960 are: 1, 2, 4, 5, 8, 10, 20, 40, 499, 998, 1996, 2495, 3992, 4990, 9980, 19960.
If you add them up, you will get the total of 45,000.