38394660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{639911}}^1$

素因数の和:639923

約数の個数: 24

約数和(自身を含む): 107505216

約数和(自身を除く): 69110556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 639911, 1279822, 1919733, 2559644, 3199555, 3839466, 6399110, 7678932, 9598665, 12798220, 19197330, 38394660]

約数ペア:

[(1, 38394660), (2, 19197330), (3, 12798220), (4, 9598665), (5, 7678932), (6, 6399110), (10, 3839466), (12, 3199555), (15, 2559644), (20, 1919733), (30, 1279822), (60, 639911)]