161569881160

素因数分解:

$2^3\times 5^1\times {\mathrm{4039247029}}^1$

素因数の和:4039247040

約数の個数: 16

約数和(自身を含む): 363532232700

約数和(自身を除く): 201962351540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4039247029, 8078494058, 16156988116, 20196235145, 32313976232, 40392470290, 80784940580, 161569881160]

約数ペア:

[(1, 161569881160), (2, 80784940580), (4, 40392470290), (5, 32313976232), (8, 20196235145), (10, 16156988116), (20, 8078494058), (40, 4039247029)]