80632180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139021}}^1$

素因数の和:139059

約数の個数: 24

約数和(自身を含む): 175167720

約数和(自身を除く): 94535540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 139021, 278042, 556084, 695105, 1390210, 2780420, 4031609, 8063218, 16126436, 20158045, 40316090, 80632180]

約数ペア:

[(1, 80632180), (2, 40316090), (4, 20158045), (5, 16126436), (10, 8063218), (20, 4031609), (29, 2780420), (58, 1390210), (116, 695105), (145, 556084), (290, 278042), (580, 139021)]