71295640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{821}}^1$

素因数の和:1012

約数の個数: 64

約数和(自身を含む): 174000960

約数和(自身を除く): 102705320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 167, 260, 334, 520, 668, 821, 835, 1336, 1642, 1670, 2171, 3284, 3340, 4105, 4342, 6568, 6680, 8210, 8684, 10673, 10855, 16420, 17368, 21346, 21710, 32840, 42692, 43420, 53365, 85384, 86840, 106730, 137107, 213460, 274214, 426920, 548428, 685535, 1096856, 1371070, 1782391, 2742140, 3564782, 5484280, 7129564, 8911955, 14259128, 17823910, 35647820, 71295640]

約数ペア:

[(1, 71295640), (2, 35647820), (4, 17823910), (5, 14259128), (8, 8911955), (10, 7129564), (13, 5484280), (20, 3564782), (26, 2742140), (40, 1782391), (52, 1371070), (65, 1096856), (104, 685535), (130, 548428), (167, 426920), (260, 274214), (334, 213460), (520, 137107), (668, 106730), (821, 86840), (835, 85384), (1336, 53365), (1642, 43420), (1670, 42692), (2171, 32840), (3284, 21710), (3340, 21346), (4105, 17368), (4342, 16420), (6568, 10855), (6680, 10673), (8210, 8684)]