85820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{613}}^1$

素因数の和:629

約数の個数: 24

約数和(自身を含む): 206304

約数和(自身を除く): 120484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 613, 1226, 2452, 3065, 4291, 6130, 8582, 12260, 17164, 21455, 42910, 85820]

約数ペア:

[(1, 85820), (2, 42910), (4, 21455), (5, 17164), (7, 12260), (10, 8582), (14, 6130), (20, 4291), (28, 3065), (35, 2452), (70, 1226), (140, 613)]