2912602120

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{644381}}^1$

素因数の和:644505

約数の個数: 32

約数和(自身を含む): 6611359320

約数和(自身を除く): 3698757200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 644381, 1288762, 2577524, 3221905, 5155048, 6443810, 12887620, 25775240, 72815053, 145630106, 291260212, 364075265, 582520424, 728150530, 1456301060, 2912602120]

約数ペア:

[(1, 2912602120), (2, 1456301060), (4, 728150530), (5, 582520424), (8, 364075265), (10, 291260212), (20, 145630106), (40, 72815053), (113, 25775240), (226, 12887620), (452, 6443810), (565, 5155048), (904, 3221905), (1130, 2577524), (2260, 1288762), (4520, 644381)]