8254580

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1061}}^1$

素因数の和:1459

約数の個数: 24

約数和(自身を含む): 17395560

約数和(自身を除く): 9140980

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1061, 1556, 1945, 2122, 3890, 4244, 5305, 7780, 10610, 21220, 412729, 825458, 1650916, 2063645, 4127290, 8254580]

約数ペア:

[(1, 8254580), (2, 4127290), (4, 2063645), (5, 1650916), (10, 825458), (20, 412729), (389, 21220), (778, 10610), (1061, 7780), (1556, 5305), (1945, 4244), (2122, 3890)]