25040920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21587}}^1$

素因数の和:21627

約数の個数: 32

約数和(自身を含む): 58287600

約数和(自身を除く): 33246680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 21587, 43174, 86348, 107935, 172696, 215870, 431740, 626023, 863480, 1252046, 2504092, 3130115, 5008184, 6260230, 12520460, 25040920]

約数ペア:

[(1, 25040920), (2, 12520460), (4, 6260230), (5, 5008184), (8, 3130115), (10, 2504092), (20, 1252046), (29, 863480), (40, 626023), (58, 431740), (116, 215870), (145, 172696), (232, 107935), (290, 86348), (580, 43174), (1160, 21587)]