71047240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{161471}}^1$

素因数の和:161493

約数の個数: 32

約数和(自身を含む): 174389760

約数和(自身を除く): 103342520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 161471, 322942, 645884, 807355, 1291768, 1614710, 1776181, 3229420, 3552362, 6458840, 7104724, 8880905, 14209448, 17761810, 35523620, 71047240]

約数ペア:

[(1, 71047240), (2, 35523620), (4, 17761810), (5, 14209448), (8, 8880905), (10, 7104724), (11, 6458840), (20, 3552362), (22, 3229420), (40, 1776181), (44, 1614710), (55, 1291768), (88, 807355), (110, 645884), (220, 322942), (440, 161471)]