68197180

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{18839}}^1$

素因数の和:19029

約数の個数: 24

約数和(自身を含む): 144012960

約数和(自身を除く): 75815780

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 18839, 37678, 75356, 94195, 188390, 376780, 3409859, 6819718, 13639436, 17049295, 34098590, 68197180]

約数ペア:

[(1, 68197180), (2, 34098590), (4, 17049295), (5, 13639436), (10, 6819718), (20, 3409859), (181, 376780), (362, 188390), (724, 94195), (905, 75356), (1810, 37678), (3620, 18839)]