85611880

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{5233}}^1$

素因数の和:5653

約数の個数: 32

約数和(自身を含む): 193134600

約数和(自身を除く): 107522720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 5233, 8180, 10466, 16360, 20932, 26165, 41864, 52330, 104660, 209320, 2140297, 4280594, 8561188, 10701485, 17122376, 21402970, 42805940, 85611880]

約数ペア:

[(1, 85611880), (2, 42805940), (4, 21402970), (5, 17122376), (8, 10701485), (10, 8561188), (20, 4280594), (40, 2140297), (409, 209320), (818, 104660), (1636, 52330), (2045, 41864), (3272, 26165), (4090, 20932), (5233, 16360), (8180, 10466)]