54218840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{821}}^1$

素因数の和:972

約数の個数: 64

約数和(自身を含む): 132572160

約数和(自身を除く): 78353320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 127, 130, 254, 260, 508, 520, 635, 821, 1016, 1270, 1642, 1651, 2540, 3284, 3302, 4105, 5080, 6568, 6604, 8210, 8255, 10673, 13208, 16420, 16510, 21346, 32840, 33020, 42692, 53365, 66040, 85384, 104267, 106730, 208534, 213460, 417068, 426920, 521335, 834136, 1042670, 1355471, 2085340, 2710942, 4170680, 5421884, 6777355, 10843768, 13554710, 27109420, 54218840]

約数ペア:

[(1, 54218840), (2, 27109420), (4, 13554710), (5, 10843768), (8, 6777355), (10, 5421884), (13, 4170680), (20, 2710942), (26, 2085340), (40, 1355471), (52, 1042670), (65, 834136), (104, 521335), (127, 426920), (130, 417068), (254, 213460), (260, 208534), (508, 106730), (520, 104267), (635, 85384), (821, 66040), (1016, 53365), (1270, 42692), (1642, 33020), (1651, 32840), (2540, 21346), (3284, 16510), (3302, 16420), (4105, 13208), (5080, 10673), (6568, 8255), (6604, 8210)]