39963140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{285451}}^1$

素因数の和:285467

約数の個数: 24

約数和(自身を含む): 95911872

約数和(自身を除く): 55948732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 285451, 570902, 1141804, 1427255, 1998157, 2854510, 3996314, 5709020, 7992628, 9990785, 19981570, 39963140]

約数ペア:

[(1, 39963140), (2, 19981570), (4, 9990785), (5, 7992628), (7, 5709020), (10, 3996314), (14, 2854510), (20, 1998157), (28, 1427255), (35, 1141804), (70, 570902), (140, 285451)]