55175440

素因数分解:

$2^4\times 5^1\times {\mathrm{689693}}^1$

素因数の和:689706

約数の個数: 20

約数和(自身を含む): 128283084

約数和(自身を除く): 73107644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 689693, 1379386, 2758772, 3448465, 5517544, 6896930, 11035088, 13793860, 27587720, 55175440]

約数ペア:

[(1, 55175440), (2, 27587720), (4, 13793860), (5, 11035088), (8, 6896930), (10, 5517544), (16, 3448465), (20, 2758772), (40, 1379386), (80, 689693)]