53391920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21529}}^1$

素因数の和:21573

約数の個数: 40

約数和(自身を含む): 128146560

約数和(自身を除く): 74754640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 21529, 43058, 86116, 107645, 172232, 215290, 344464, 430580, 667399, 861160, 1334798, 1722320, 2669596, 3336995, 5339192, 6673990, 10678384, 13347980, 26695960, 53391920]

約数ペア:

[(1, 53391920), (2, 26695960), (4, 13347980), (5, 10678384), (8, 6673990), (10, 5339192), (16, 3336995), (20, 2669596), (31, 1722320), (40, 1334798), (62, 861160), (80, 667399), (124, 430580), (155, 344464), (248, 215290), (310, 172232), (496, 107645), (620, 86116), (1240, 43058), (2480, 21529)]