54909040

素因数分解:

$2^4\times 5^1\times {\mathrm{686363}}^1$

素因数の和:686376

約数の個数: 20

約数和(自身を含む): 127663704

約数和(自身を除く): 72754664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 686363, 1372726, 2745452, 3431815, 5490904, 6863630, 10981808, 13727260, 27454520, 54909040]

約数ペア:

[(1, 54909040), (2, 27454520), (4, 13727260), (5, 10981808), (8, 6863630), (10, 5490904), (16, 3431815), (20, 2745452), (40, 1372726), (80, 686363)]