3983660

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{487}}^1$

素因数の和:905

約数の個数: 24

約数和(自身を含む): 8403360

約数和(自身を除く): 4419700

約数列:

[1, 2, 4, 5, 10, 20, 409, 487, 818, 974, 1636, 1948, 2045, 2435, 4090, 4870, 8180, 9740, 199183, 398366, 796732, 995915, 1991830, 3983660]

約数ペア:

[(1, 3983660), (2, 1991830), (4, 995915), (5, 796732), (10, 398366), (20, 199183), (409, 9740), (487, 8180), (818, 4870), (974, 4090), (1636, 2435), (1948, 2045)]