20127728500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{3659587}}^1$

素因数の和:3659617

約数の個数: 48

約数和(自身を含む): 47955241152

約数和(自身を除く): 27827512652

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 500, 550, 1100, 1375, 2750, 5500, 3659587, 7319174, 14638348, 18297935, 36595870, 40255457, 73191740, 80510914, 91489675, 161021828, 182979350, 201277285, 365958700, 402554570, 457448375, 805109140, 914896750, 1006386425, 1829793500, 2012772850, 4025545700, 5031932125, 10063864250, 20127728500]

約数ペア:

[(1, 20127728500), (2, 10063864250), (4, 5031932125), (5, 4025545700), (10, 2012772850), (11, 1829793500), (20, 1006386425), (22, 914896750), (25, 805109140), (44, 457448375), (50, 402554570), (55, 365958700), (100, 201277285), (110, 182979350), (125, 161021828), (220, 91489675), (250, 80510914), (275, 73191740), (500, 40255457), (550, 36595870), (1100, 18297935), (1375, 14638348), (2750, 7319174), (5500, 3659587)]