13347980

素因数分解:

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

素因数の和:21569

約数の個数: 24

約数和(自身を含む): 28936320

約数和(自身を除く): 15588340

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 21529, 43058, 86116, 107645, 215290, 430580, 667399, 1334798, 2669596, 3336995, 6673990, 13347980]

約数ペア:

[(1, 13347980), (2, 6673990), (4, 3336995), (5, 2669596), (10, 1334798), (20, 667399), (31, 430580), (62, 215290), (124, 107645), (155, 86116), (310, 43058), (620, 21529)]