265845220

素因数分解:

$2^2\times 5^1\times {\mathrm{2543}}^1\times {\mathrm{5227}}^1$

素因数の和:7779

約数の個数: 24

約数和(自身を含む): 558601344

約数和(自身を除く): 292756124

約数列:

[1, 2, 4, 5, 10, 20, 2543, 5086, 5227, 10172, 10454, 12715, 20908, 25430, 26135, 50860, 52270, 104540, 13292261, 26584522, 53169044, 66461305, 132922610, 265845220]

約数ペア:

[(1, 265845220), (2, 132922610), (4, 66461305), (5, 53169044), (10, 26584522), (20, 13292261), (2543, 104540), (5086, 52270), (5227, 50860), (10172, 26135), (10454, 25430), (12715, 20908)]