55177040

素因数分解:

$2^4\times 5^1\times {\mathrm{689713}}^1$

素因数の和:689726

約数の個数: 20

約数和(自身を含む): 128286804

約数和(自身を除く): 73109764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 689713, 1379426, 2758852, 3448565, 5517704, 6897130, 11035408, 13794260, 27588520, 55177040]

約数ペア:

[(1, 55177040), (2, 27588520), (4, 13794260), (5, 11035408), (8, 6897130), (10, 5517704), (16, 3448565), (20, 2758852), (40, 1379426), (80, 689713)]