520057640

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{115057}}^1$

素因数の和:115181

約数の個数: 32

約数和(自身を含む): 1180495080

約数和(自身を除く): 660437440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 115057, 230114, 460228, 575285, 920456, 1150570, 2301140, 4602280, 13001441, 26002882, 52005764, 65007205, 104011528, 130014410, 260028820, 520057640]

約数ペア:

[(1, 520057640), (2, 260028820), (4, 130014410), (5, 104011528), (8, 65007205), (10, 52005764), (20, 26002882), (40, 13001441), (113, 4602280), (226, 2301140), (452, 1150570), (565, 920456), (904, 575285), (1130, 460228), (2260, 230114), (4520, 115057)]