85107860

素因数分解:

$2^2\times 5^1\times {\mathrm{2039}}^1\times {\mathrm{2087}}^1$

素因数の和:4135

約数の個数: 24

約数和(自身を含む): 178899840

約数和(自身を除く): 93791980

約数列:

[1, 2, 4, 5, 10, 20, 2039, 2087, 4078, 4174, 8156, 8348, 10195, 10435, 20390, 20870, 40780, 41740, 4255393, 8510786, 17021572, 21276965, 42553930, 85107860]

約数ペア:

[(1, 85107860), (2, 42553930), (4, 21276965), (5, 17021572), (10, 8510786), (20, 4255393), (2039, 41740), (2087, 40780), (4078, 20870), (4174, 20390), (8156, 10435), (8348, 10195)]