38616980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{479}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 84672000

約数和(自身を除く): 46055020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 139, 145, 278, 290, 479, 556, 580, 695, 958, 1390, 1916, 2395, 2780, 4031, 4790, 8062, 9580, 13891, 16124, 20155, 27782, 40310, 55564, 66581, 69455, 80620, 133162, 138910, 266324, 277820, 332905, 665810, 1331620, 1930849, 3861698, 7723396, 9654245, 19308490, 38616980]

約数ペア:

[(1, 38616980), (2, 19308490), (4, 9654245), (5, 7723396), (10, 3861698), (20, 1930849), (29, 1331620), (58, 665810), (116, 332905), (139, 277820), (145, 266324), (278, 138910), (290, 133162), (479, 80620), (556, 69455), (580, 66581), (695, 55564), (958, 40310), (1390, 27782), (1916, 20155), (2395, 16124), (2780, 13891), (4031, 9580), (4790, 8062)]