864260

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{547}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 1841280

約数和(自身を除く): 977020

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 547, 790, 1094, 1580, 2188, 2735, 5470, 10940, 43213, 86426, 172852, 216065, 432130, 864260]

約数ペア:

[(1, 864260), (2, 432130), (4, 216065), (5, 172852), (10, 86426), (20, 43213), (79, 10940), (158, 5470), (316, 2735), (395, 2188), (547, 1580), (790, 1094)]