Q: What is the sum of all factors of the number 16,720,720 including 16,720,720?

A: 39,711,744

Why is 39,711,744 the sum of all factors of 16,720,720, including 16,720,720?

The factors of the number 16,720,720 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 4447, 8894, 17788, 22235, 35576, 44470, 71152, 88940, 177880, 209009, 355760, 418018, 836036, 1045045, 1672072, 2090090, 3344144, 4180180, 8360360, 16720720.

If you add them up, you will get the total of 39,711,744.