57440260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{66791}}^1$

素因数の和:66843

約数の個数: 24

約数和(自身を含む): 123431616

約数和(自身を除く): 65991356

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 66791, 133582, 267164, 333955, 667910, 1335820, 2872013, 5744026, 11488052, 14360065, 28720130, 57440260]

約数ペア:

[(1, 57440260), (2, 28720130), (4, 14360065), (5, 11488052), (10, 5744026), (20, 2872013), (43, 1335820), (86, 667910), (172, 333955), (215, 267164), (430, 133582), (860, 66791)]