26456680

素因数分解:

$2^3\times 5^1\times {\mathrm{661417}}^1$

素因数の和:661428

約数の個数: 16

約数和(自身を含む): 59527620

約数和(自身を除く): 33070940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661417, 1322834, 2645668, 3307085, 5291336, 6614170, 13228340, 26456680]

約数ペア:

[(1, 26456680), (2, 13228340), (4, 6614170), (5, 5291336), (8, 3307085), (10, 2645668), (20, 1322834), (40, 661417)]