72713860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{84551}}^1$

素因数の和:84603

約数の個数: 24

約数和(自身を含む): 156252096

約数和(自身を除く): 83538236

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 84551, 169102, 338204, 422755, 845510, 1691020, 3635693, 7271386, 14542772, 18178465, 36356930, 72713860]

約数ペア:

[(1, 72713860), (2, 36356930), (4, 18178465), (5, 14542772), (10, 7271386), (20, 3635693), (43, 1691020), (86, 845510), (172, 422755), (215, 338204), (430, 169102), (860, 84551)]