80057660

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{9787}}^1$

素因数の和:10205

約数の個数: 24

約数和(自身を含む): 168549360

約数和(自身を除く): 88491700

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 9787, 19574, 39148, 48935, 97870, 195740, 4002883, 8005766, 16011532, 20014415, 40028830, 80057660]

約数ペア:

[(1, 80057660), (2, 40028830), (4, 20014415), (5, 16011532), (10, 8005766), (20, 4002883), (409, 195740), (818, 97870), (1636, 48935), (2045, 39148), (4090, 19574), (8180, 9787)]