53779240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31267}}^1$

素因数の和:31321

約数の個数: 32

約数和(自身を含む): 123821280

約数和(自身を除く): 70042040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 31267, 62534, 125068, 156335, 250136, 312670, 625340, 1250680, 1344481, 2688962, 5377924, 6722405, 10755848, 13444810, 26889620, 53779240]

約数ペア:

[(1, 53779240), (2, 26889620), (4, 13444810), (5, 10755848), (8, 6722405), (10, 5377924), (20, 2688962), (40, 1344481), (43, 1250680), (86, 625340), (172, 312670), (215, 250136), (344, 156335), (430, 125068), (860, 62534), (1720, 31267)]