56755820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257981}}^1$

素因数の和:258001

約数の個数: 24

約数和(自身を含む): 130022928

約数和(自身を除く): 73267108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 257981, 515962, 1031924, 1289905, 2579810, 2837791, 5159620, 5675582, 11351164, 14188955, 28377910, 56755820]

約数ペア:

[(1, 56755820), (2, 28377910), (4, 14188955), (5, 11351164), (10, 5675582), (11, 5159620), (20, 2837791), (22, 2579810), (44, 1289905), (55, 1031924), (110, 515962), (220, 257981)]