40172540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{69263}}^1$

素因数の和:69301

約数の個数: 24

約数和(自身を含む): 87272640

約数和(自身を除く): 47100100

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 69263, 138526, 277052, 346315, 692630, 1385260, 2008627, 4017254, 8034508, 10043135, 20086270, 40172540]

約数ペア:

[(1, 40172540), (2, 20086270), (4, 10043135), (5, 8034508), (10, 4017254), (20, 2008627), (29, 1385260), (58, 692630), (116, 346315), (145, 277052), (290, 138526), (580, 69263)]