71467280

素因数分解:

$2^4\times 5^1\times {\mathrm{893341}}^1$

素因数の和:893354

約数の個数: 20

約数和(自身を含む): 166161612

約数和(自身を除く): 94694332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 893341, 1786682, 3573364, 4466705, 7146728, 8933410, 14293456, 17866820, 35733640, 71467280]

約数ペア:

[(1, 71467280), (2, 35733640), (4, 17866820), (5, 14293456), (8, 8933410), (10, 7146728), (16, 4466705), (20, 3573364), (40, 1786682), (80, 893341)]