13887640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1571}}^1$

素因数の和:1612

約数の個数: 64

約数和(自身を含む): 35652960

約数和(自身を除く): 21765320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1571, 1768, 2210, 3142, 4420, 6284, 7855, 8840, 12568, 15710, 20423, 26707, 31420, 40846, 53414, 62840, 81692, 102115, 106828, 133535, 163384, 204230, 213656, 267070, 347191, 408460, 534140, 694382, 816920, 1068280, 1388764, 1735955, 2777528, 3471910, 6943820, 13887640]

約数ペア:

[(1, 13887640), (2, 6943820), (4, 3471910), (5, 2777528), (8, 1735955), (10, 1388764), (13, 1068280), (17, 816920), (20, 694382), (26, 534140), (34, 408460), (40, 347191), (52, 267070), (65, 213656), (68, 204230), (85, 163384), (104, 133535), (130, 106828), (136, 102115), (170, 81692), (221, 62840), (260, 53414), (340, 40846), (442, 31420), (520, 26707), (680, 20423), (884, 15710), (1105, 12568), (1571, 8840), (1768, 7855), (2210, 6284), (3142, 4420)]