39887020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{42433}}^1$

素因数の和:42489

約数の個数: 24

約数和(自身を含む): 85546944

約数和(自身を除く): 45659924

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 42433, 84866, 169732, 212165, 424330, 848660, 1994351, 3988702, 7977404, 9971755, 19943510, 39887020]

約数ペア:

[(1, 39887020), (2, 19943510), (4, 9971755), (5, 7977404), (10, 3988702), (20, 1994351), (47, 848660), (94, 424330), (188, 212165), (235, 169732), (470, 84866), (940, 42433)]