201628797880

素因数分解:

$2^3\times 5^1\times {\mathrm{5040719947}}^1$

素因数の和:5040719958

約数の個数: 16

約数和(自身を含む): 453664795320

約数和(自身を除く): 252035997440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5040719947, 10081439894, 20162879788, 25203599735, 40325759576, 50407199470, 100814398940, 201628797880]

約数ペア:

[(1, 201628797880), (2, 100814398940), (4, 50407199470), (5, 40325759576), (8, 25203599735), (10, 20162879788), (20, 10081439894), (40, 5040719947)]