4515640

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1429}}^1$

素因数の和:1519

約数の個数: 32

約数和(自身を含む): 10296000

約数和(自身を除く): 5780360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1429, 1580, 2858, 3160, 5716, 7145, 11432, 14290, 28580, 57160, 112891, 225782, 451564, 564455, 903128, 1128910, 2257820, 4515640]

約数ペア:

[(1, 4515640), (2, 2257820), (4, 1128910), (5, 903128), (8, 564455), (10, 451564), (20, 225782), (40, 112891), (79, 57160), (158, 28580), (316, 14290), (395, 11432), (632, 7145), (790, 5716), (1429, 3160), (1580, 2858)]