56757140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257987}}^1$

素因数の和:258007

約数の個数: 24

約数和(自身を含む): 130025952

約数和(自身を除く): 73268812

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 257987, 515974, 1031948, 1289935, 2579870, 2837857, 5159740, 5675714, 11351428, 14189285, 28378570, 56757140]

約数ペア:

[(1, 56757140), (2, 28378570), (4, 14189285), (5, 11351428), (10, 5675714), (11, 5159740), (20, 2837857), (22, 2579870), (44, 1289935), (55, 1031948), (110, 515974), (220, 257987)]