55309040

素因数分解:

$2^4\times 5^1\times {\mathrm{691363}}^1$

素因数の和:691376

約数の個数: 20

約数和(自身を含む): 128593704

約数和(自身を除く): 73284664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 691363, 1382726, 2765452, 3456815, 5530904, 6913630, 11061808, 13827260, 27654520, 55309040]

約数ペア:

[(1, 55309040), (2, 27654520), (4, 13827260), (5, 11061808), (8, 6913630), (10, 5530904), (16, 3456815), (20, 2765452), (40, 1382726), (80, 691363)]