40397290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139301}}^1$

素因数の和:139337

約数の個数: 16

約数和(自身を含む): 75223080

約数和(自身を除く): 34825790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 139301, 278602, 696505, 1393010, 4039729, 8079458, 20198645, 40397290]

約数ペア:

[(1, 40397290), (2, 20198645), (5, 8079458), (10, 4039729), (29, 1393010), (58, 696505), (145, 278602), (290, 139301)]