90418640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{383}}^1$

素因数の和:636

約数の個数: 80

約数和(自身を含む): 227985408

約数和(自身を除く): 137566768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 227, 260, 383, 454, 520, 766, 908, 1040, 1135, 1532, 1816, 1915, 2270, 2951, 3064, 3632, 3830, 4540, 4979, 5902, 6128, 7660, 9080, 9958, 11804, 14755, 15320, 18160, 19916, 23608, 24895, 29510, 30640, 39832, 47216, 49790, 59020, 79664, 86941, 99580, 118040, 173882, 199160, 236080, 347764, 398320, 434705, 695528, 869410, 1130233, 1391056, 1738820, 2260466, 3477640, 4520932, 5651165, 6955280, 9041864, 11302330, 18083728, 22604660, 45209320, 90418640]

約数ペア:

[(1, 90418640), (2, 45209320), (4, 22604660), (5, 18083728), (8, 11302330), (10, 9041864), (13, 6955280), (16, 5651165), (20, 4520932), (26, 3477640), (40, 2260466), (52, 1738820), (65, 1391056), (80, 1130233), (104, 869410), (130, 695528), (208, 434705), (227, 398320), (260, 347764), (383, 236080), (454, 199160), (520, 173882), (766, 118040), (908, 99580), (1040, 86941), (1135, 79664), (1532, 59020), (1816, 49790), (1915, 47216), (2270, 39832), (2951, 30640), (3064, 29510), (3632, 24895), (3830, 23608), (4540, 19916), (4979, 18160), (5902, 15320), (6128, 14755), (7660, 11804), (9080, 9958)]