2257820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1429}}^1$

素因数の和:1517

約数の個数: 24

約数和(自身を含む): 4804800

約数和(自身を除く): 2546980

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1429, 1580, 2858, 5716, 7145, 14290, 28580, 112891, 225782, 451564, 564455, 1128910, 2257820]

約数ペア:

[(1, 2257820), (2, 1128910), (4, 564455), (5, 451564), (10, 225782), (20, 112891), (79, 28580), (158, 14290), (316, 7145), (395, 5716), (790, 2858), (1429, 1580)]