57639220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{40591}}^1$

素因数の和:40671

約数の個数: 24

約数和(自身を含む): 122750208

約数和(自身を除く): 65110988

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 40591, 81182, 162364, 202955, 405910, 811820, 2881961, 5763922, 11527844, 14409805, 28819610, 57639220]

約数ペア:

[(1, 57639220), (2, 28819610), (4, 14409805), (5, 11527844), (10, 5763922), (20, 2881961), (71, 811820), (142, 405910), (284, 202955), (355, 162364), (710, 81182), (1420, 40591)]