79871080

素因数分解:

$2^3\times 5^1\times {\mathrm{1996777}}^1$

素因数の和:1996788

約数の個数: 16

約数和(自身を含む): 179710020

約数和(自身を除く): 99838940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1996777, 3993554, 7987108, 9983885, 15974216, 19967770, 39935540, 79871080]

約数ペア:

[(1, 79871080), (2, 39935540), (4, 19967770), (5, 15974216), (8, 9983885), (10, 7987108), (20, 3993554), (40, 1996777)]