158018020

素因数分解:

$2^2\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{5981}}^1$

素因数の和:7311

約数の個数: 24

約数和(自身を含む): 332144568

約数和(自身を除く): 174126548

約数列:

[1, 2, 4, 5, 10, 20, 1321, 2642, 5284, 5981, 6605, 11962, 13210, 23924, 26420, 29905, 59810, 119620, 7900901, 15801802, 31603604, 39504505, 79009010, 158018020]

約数ペア:

[(1, 158018020), (2, 79009010), (4, 39504505), (5, 31603604), (10, 15801802), (20, 7900901), (1321, 119620), (2642, 59810), (5284, 29905), (5981, 26420), (6605, 23924), (11962, 13210)]