2152580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2503}}^1$

素因数の和:2555

約数の個数: 24

約数和(自身を含む): 4627392

約数和(自身を除く): 2474812

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2503, 5006, 10012, 12515, 25030, 50060, 107629, 215258, 430516, 538145, 1076290, 2152580]

約数ペア:

[(1, 2152580), (2, 1076290), (4, 538145), (5, 430516), (10, 215258), (20, 107629), (43, 50060), (86, 25030), (172, 12515), (215, 10012), (430, 5006), (860, 2503)]