2018016680

素因数分解:

$2^3\times 5^1\times {\mathrm{50450417}}^1$

素因数の和:50450428

約数の個数: 16

約数和(自身を含む): 4540537620

約数和(自身を除く): 2522520940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50450417, 100900834, 201801668, 252252085, 403603336, 504504170, 1009008340, 2018016680]

約数ペア:

[(1, 2018016680), (2, 1009008340), (4, 504504170), (5, 403603336), (8, 252252085), (10, 201801668), (20, 100900834), (40, 50450417)]