90221260

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{24923}}^1$

素因数の和:25113

約数の個数: 24

約数和(自身を含む): 190519056

約数和(自身を除く): 100297796

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 24923, 49846, 99692, 124615, 249230, 498460, 4511063, 9022126, 18044252, 22555315, 45110630, 90221260]

約数ペア:

[(1, 90221260), (2, 45110630), (4, 22555315), (5, 18044252), (10, 9022126), (20, 4511063), (181, 498460), (362, 249230), (724, 124615), (905, 99692), (1810, 49846), (3620, 24923)]