89555240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{52067}}^1$

素因数の和:52121

約数の個数: 32

約数和(自身を含む): 206189280

約数和(自身を除く): 116634040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 52067, 104134, 208268, 260335, 416536, 520670, 1041340, 2082680, 2238881, 4477762, 8955524, 11194405, 17911048, 22388810, 44777620, 89555240]

約数ペア:

[(1, 89555240), (2, 44777620), (4, 22388810), (5, 17911048), (8, 11194405), (10, 8955524), (20, 4477762), (40, 2238881), (43, 2082680), (86, 1041340), (172, 520670), (215, 416536), (344, 260335), (430, 208268), (860, 104134), (1720, 52067)]