85156660

素因数分解:

$2^2\times 5^1\times {\mathrm{4257833}}^1$

素因数の和:4257842

約数の個数: 12

約数和(自身を含む): 178829028

約数和(自身を除く): 93672368

約数列:

[1, 2, 4, 5, 10, 20, 4257833, 8515666, 17031332, 21289165, 42578330, 85156660]

約数ペア:

[(1, 85156660), (2, 42578330), (4, 21289165), (5, 17031332), (10, 8515666), (20, 4257833)]