12438020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{88843}}^1$

素因数の和:88859

約数の個数: 24

約数和(自身を含む): 29851584

約数和(自身を除く): 17413564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 88843, 177686, 355372, 444215, 621901, 888430, 1243802, 1776860, 2487604, 3109505, 6219010, 12438020]

約数ペア:

[(1, 12438020), (2, 6219010), (4, 3109505), (5, 2487604), (7, 1776860), (10, 1243802), (14, 888430), (20, 621901), (28, 444215), (35, 355372), (70, 177686), (140, 88843)]