72871160

素因数分解:

$2^3\times 5^1\times {\mathrm{1821779}}^1$

素因数の和:1821790

約数の個数: 16

約数和(自身を含む): 163960200

約数和(自身を除く): 91089040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1821779, 3643558, 7287116, 9108895, 14574232, 18217790, 36435580, 72871160]

約数ペア:

[(1, 72871160), (2, 36435580), (4, 18217790), (5, 14574232), (8, 9108895), (10, 7287116), (20, 3643558), (40, 1821779)]