79926280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{285451}}^1$

素因数の和:285469

約数の個数: 32

約数和(自身を含む): 205525440

約数和(自身を除く): 125599160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 285451, 570902, 1141804, 1427255, 1998157, 2283608, 2854510, 3996314, 5709020, 7992628, 9990785, 11418040, 15985256, 19981570, 39963140, 79926280]

約数ペア:

[(1, 79926280), (2, 39963140), (4, 19981570), (5, 15985256), (7, 11418040), (8, 9990785), (10, 7992628), (14, 5709020), (20, 3996314), (28, 2854510), (35, 2283608), (40, 1998157), (56, 1427255), (70, 1141804), (140, 570902), (280, 285451)]