28118020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{200843}}^1$

素因数の和:200859

約数の個数: 24

約数和(自身を含む): 67483584

約数和(自身を除く): 39365564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 200843, 401686, 803372, 1004215, 1405901, 2008430, 2811802, 4016860, 5623604, 7029505, 14059010, 28118020]

約数ペア:

[(1, 28118020), (2, 14059010), (4, 7029505), (5, 5623604), (7, 4016860), (10, 2811802), (14, 2008430), (20, 1405901), (28, 1004215), (35, 803372), (70, 401686), (140, 200843)]