80830480

素因数分解:

$2^4\times 5^1\times {\mathrm{1010381}}^1$

素因数の和:1010394

約数の個数: 20

約数和(自身を含む): 187931052

約数和(自身を除く): 107100572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1010381, 2020762, 4041524, 5051905, 8083048, 10103810, 16166096, 20207620, 40415240, 80830480]

約数ペア:

[(1, 80830480), (2, 40415240), (4, 20207620), (5, 16166096), (8, 10103810), (10, 8083048), (16, 5051905), (20, 4041524), (40, 2020762), (80, 1010381)]