11521640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{22157}}^1$

素因数の和:22181

約数の個数: 32

約数和(自身を含む): 27919080

約数和(自身を除く): 16397440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 22157, 44314, 88628, 110785, 177256, 221570, 288041, 443140, 576082, 886280, 1152164, 1440205, 2304328, 2880410, 5760820, 11521640]

約数ペア:

[(1, 11521640), (2, 5760820), (4, 2880410), (5, 2304328), (8, 1440205), (10, 1152164), (13, 886280), (20, 576082), (26, 443140), (40, 288041), (52, 221570), (65, 177256), (104, 110785), (130, 88628), (260, 44314), (520, 22157)]