20130628550

素因数分解:

$2^1\times 5^2\times {\mathrm{17981}}^1\times {\mathrm{22391}}^1$

素因数の和:40384

約数の個数: 24

約数和(自身を含む): 37446723792

約数和(自身を除く): 17316095242

約数列:

[1, 2, 5, 10, 25, 50, 17981, 22391, 35962, 44782, 89905, 111955, 179810, 223910, 449525, 559775, 899050, 1119550, 402612571, 805225142, 2013062855, 4026125710, 10065314275, 20130628550]

約数ペア:

[(1, 20130628550), (2, 10065314275), (5, 4026125710), (10, 2013062855), (25, 805225142), (50, 402612571), (17981, 1119550), (22391, 899050), (35962, 559775), (44782, 449525), (89905, 223910), (111955, 179810)]