8616920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 21258720

約数和(自身を除く): 12641800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 227, 260, 292, 365, 454, 520, 584, 730, 908, 949, 1135, 1460, 1816, 1898, 2270, 2920, 2951, 3796, 4540, 4745, 5902, 7592, 9080, 9490, 11804, 14755, 16571, 18980, 23608, 29510, 33142, 37960, 59020, 66284, 82855, 118040, 132568, 165710, 215423, 331420, 430846, 662840, 861692, 1077115, 1723384, 2154230, 4308460, 8616920]

約数ペア:

[(1, 8616920), (2, 4308460), (4, 2154230), (5, 1723384), (8, 1077115), (10, 861692), (13, 662840), (20, 430846), (26, 331420), (40, 215423), (52, 165710), (65, 132568), (73, 118040), (104, 82855), (130, 66284), (146, 59020), (227, 37960), (260, 33142), (292, 29510), (365, 23608), (454, 18980), (520, 16571), (584, 14755), (730, 11804), (908, 9490), (949, 9080), (1135, 7592), (1460, 5902), (1816, 4745), (1898, 4540), (2270, 3796), (2920, 2951)]