5220560

素因数分解:

$2^4\times 5^1\times {\mathrm{65257}}^1$

素因数の和:65270

約数の個数: 20

約数和(自身を含む): 12137988

約数和(自身を除く): 6917428

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 65257, 130514, 261028, 326285, 522056, 652570, 1044112, 1305140, 2610280, 5220560]

約数ペア:

[(1, 5220560), (2, 2610280), (4, 1305140), (5, 1044112), (8, 652570), (10, 522056), (16, 326285), (20, 261028), (40, 130514), (80, 65257)]