Q: What is the sum of all factors of the number 1,251,440 including 1,251,440?
A: 2,909,784
The factors of the number 1,251,440 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15643, 31286, 62572, 78215, 125144, 156430, 250288, 312860, 625720, 1251440.
If you add them up, you will get the total of 2,909,784.