57291640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{204613}}^1$

素因数の和:204631

約数の個数: 32

約数和(自身を含む): 147322080

約数和(自身を除く): 90030440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 204613, 409226, 818452, 1023065, 1432291, 1636904, 2046130, 2864582, 4092260, 5729164, 7161455, 8184520, 11458328, 14322910, 28645820, 57291640]

約数ペア:

[(1, 57291640), (2, 28645820), (4, 14322910), (5, 11458328), (7, 8184520), (8, 7161455), (10, 5729164), (14, 4092260), (20, 2864582), (28, 2046130), (35, 1636904), (40, 1432291), (56, 1023065), (70, 818452), (140, 409226), (280, 204613)]