8424340

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1061}}^1$

素因数の和:1467

約数の個数: 24

約数和(自身を含む): 17752392

約数和(自身を除く): 9328052

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1061, 1588, 1985, 2122, 3970, 4244, 5305, 7940, 10610, 21220, 421217, 842434, 1684868, 2106085, 4212170, 8424340]

約数ペア:

[(1, 8424340), (2, 4212170), (4, 2106085), (5, 1684868), (10, 842434), (20, 421217), (397, 21220), (794, 10610), (1061, 7940), (1588, 5305), (1985, 4244), (2122, 3970)]