Q: What is the sum of all factors of the number 1,581,680 including 1,581,680?

A: 3,897,072

Why is 3,897,072 the sum of all factors of 1,581,680, including 1,581,680?

The factors of the number 1,581,680 are: 1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1163, 1360, 2326, 4652, 5815, 9304, 11630, 18608, 19771, 23260, 39542, 46520, 79084, 93040, 98855, 158168, 197710, 316336, 395420, 790840, 1581680.

If you add them up, you will get the total of 3,897,072.