64553840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{62071}}^1$

素因数の和:62097

約数の個数: 40

約数和(自身を含む): 161635488

約数和(自身を除く): 97081648

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 62071, 124142, 248284, 310355, 496568, 620710, 806923, 993136, 1241420, 1613846, 2482840, 3227692, 4034615, 4965680, 6455384, 8069230, 12910768, 16138460, 32276920, 64553840]

約数ペア:

[(1, 64553840), (2, 32276920), (4, 16138460), (5, 12910768), (8, 8069230), (10, 6455384), (13, 4965680), (16, 4034615), (20, 3227692), (26, 2482840), (40, 1613846), (52, 1241420), (65, 993136), (80, 806923), (104, 620710), (130, 496568), (208, 310355), (260, 248284), (520, 124142), (1040, 62071)]