39939620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{285283}}^1$

素因数の和:285299

約数の個数: 24

約数和(自身を含む): 95855424

約数和(自身を除く): 55915804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 285283, 570566, 1141132, 1426415, 1996981, 2852830, 3993962, 5705660, 7987924, 9984905, 19969810, 39939620]

約数ペア:

[(1, 39939620), (2, 19969810), (4, 9984905), (5, 7987924), (7, 5705660), (10, 3993962), (14, 2852830), (20, 1996981), (28, 1426415), (35, 1141132), (70, 570566), (140, 285283)]