39130640

素因数分解:

$2^4\times 5^1\times {\mathrm{489133}}^1$

素因数の和:489146

約数の個数: 20

約数和(自身を含む): 90978924

約数和(自身を除く): 51848284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 489133, 978266, 1956532, 2445665, 3913064, 4891330, 7826128, 9782660, 19565320, 39130640]

約数ペア:

[(1, 39130640), (2, 19565320), (4, 9782660), (5, 7826128), (8, 4891330), (10, 3913064), (16, 2445665), (20, 1956532), (40, 978266), (80, 489133)]