57866420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{40751}}^1$

素因数の和:40831

約数の個数: 24

約数和(自身を含む): 123234048

約数和(自身を除く): 65367628

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 40751, 81502, 163004, 203755, 407510, 815020, 2893321, 5786642, 11573284, 14466605, 28933210, 57866420]

約数ペア:

[(1, 57866420), (2, 28933210), (4, 14466605), (5, 11573284), (10, 5786642), (20, 2893321), (71, 815020), (142, 407510), (284, 203755), (355, 163004), (710, 81502), (1420, 40751)]