19971040

素因数分解:

$2^5\times 5^1\times {\mathrm{124819}}^1$

素因数の和:124834

約数の個数: 24

約数和(自身を含む): 47181960

約数和(自身を除く): 27210920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 124819, 249638, 499276, 624095, 998552, 1248190, 1997104, 2496380, 3994208, 4992760, 9985520, 19971040]

約数ペア:

[(1, 19971040), (2, 9985520), (4, 4992760), (5, 3994208), (8, 2496380), (10, 1997104), (16, 1248190), (20, 998552), (32, 624095), (40, 499276), (80, 249638), (160, 124819)]