2013806980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{24979}}^1$

素因数の和:25156

約数の個数: 48

約数和(自身を含む): 4406472000

約数和(自身を除く): 2392665020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 139, 145, 278, 290, 556, 580, 695, 1390, 2780, 4031, 8062, 16124, 20155, 24979, 40310, 49958, 80620, 99916, 124895, 249790, 499580, 724391, 1448782, 2897564, 3472081, 3621955, 6944162, 7243910, 13888324, 14487820, 17360405, 34720810, 69441620, 100690349, 201380698, 402761396, 503451745, 1006903490, 2013806980]

約数ペア:

[(1, 2013806980), (2, 1006903490), (4, 503451745), (5, 402761396), (10, 201380698), (20, 100690349), (29, 69441620), (58, 34720810), (116, 17360405), (139, 14487820), (145, 13888324), (278, 7243910), (290, 6944162), (556, 3621955), (580, 3472081), (695, 2897564), (1390, 1448782), (2780, 724391), (4031, 499580), (8062, 249790), (16124, 124895), (20155, 99916), (24979, 80620), (40310, 49958)]