40256920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{91493}}^1$

素因数の和:91515

約数の個数: 32

約数和(自身を含む): 98813520

約数和(自身を除く): 58556600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 91493, 182986, 365972, 457465, 731944, 914930, 1006423, 1829860, 2012846, 3659720, 4025692, 5032115, 8051384, 10064230, 20128460, 40256920]

約数ペア:

[(1, 40256920), (2, 20128460), (4, 10064230), (5, 8051384), (8, 5032115), (10, 4025692), (11, 3659720), (20, 2012846), (22, 1829860), (40, 1006423), (44, 914930), (55, 731944), (88, 457465), (110, 365972), (220, 182986), (440, 91493)]