Q: What is the sum of all factors of the number 399,760 including 399,760?

A: 982,080

Why is 982,080 the sum of all factors of 399,760, including 399,760?

The factors of the number 399,760 are: 1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 263, 304, 380, 526, 760, 1052, 1315, 1520, 2104, 2630, 4208, 4997, 5260, 9994, 10520, 19988, 21040, 24985, 39976, 49970, 79952, 99940, 199880, 399760.

If you add them up, you will get the total of 982,080.