55085840

素因数分解:

$2^4\times 5^1\times {\mathrm{688573}}^1$

素因数の和:688586

約数の個数: 20

約数和(自身を含む): 128074764

約数和(自身を除く): 72988924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 688573, 1377146, 2754292, 3442865, 5508584, 6885730, 11017168, 13771460, 27542920, 55085840]

約数ペア:

[(1, 55085840), (2, 27542920), (4, 13771460), (5, 11017168), (8, 6885730), (10, 5508584), (16, 3442865), (20, 2754292), (40, 1377146), (80, 688573)]