79209080

素因数分解:

$2^3\times 5^1\times {\mathrm{1980227}}^1$

素因数の和:1980238

約数の個数: 16

約数和(自身を含む): 178220520

約数和(自身を除く): 99011440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1980227, 3960454, 7920908, 9901135, 15841816, 19802270, 39604540, 79209080]

約数ペア:

[(1, 79209080), (2, 39604540), (4, 19802270), (5, 15841816), (8, 9901135), (10, 7920908), (20, 3960454), (40, 1980227)]