54821680

素因数分解:

$2^4\times 5^1\times {\mathrm{685271}}^1$

素因数の和:685284

約数の個数: 20

約数和(自身を含む): 127460592

約数和(自身を除く): 72638912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 685271, 1370542, 2741084, 3426355, 5482168, 6852710, 10964336, 13705420, 27410840, 54821680]

約数ペア:

[(1, 54821680), (2, 27410840), (4, 13705420), (5, 10964336), (8, 6852710), (10, 5482168), (16, 3426355), (20, 2741084), (40, 1370542), (80, 685271)]