8307280

素因数分解:

$2^4\times 5^1\times {\mathrm{103841}}^1$

素因数の和:103854

約数の個数: 20

約数和(自身を含む): 19314612

約数和(自身を除く): 11007332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103841, 207682, 415364, 519205, 830728, 1038410, 1661456, 2076820, 4153640, 8307280]

約数ペア:

[(1, 8307280), (2, 4153640), (4, 2076820), (5, 1661456), (8, 1038410), (10, 830728), (16, 519205), (20, 415364), (40, 207682), (80, 103841)]