2019800

素因数分解:

$2^3\times 5^2\times {\mathrm{10099}}^1$

素因数の和:10115

約数の個数: 24

約数和(自身を含む): 4696500

約数和(自身を除く): 2676700

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 10099, 20198, 40396, 50495, 80792, 100990, 201980, 252475, 403960, 504950, 1009900, 2019800]

約数ペア:

[(1, 2019800), (2, 1009900), (4, 504950), (5, 403960), (8, 252475), (10, 201980), (20, 100990), (25, 80792), (40, 50495), (50, 40396), (100, 20198), (200, 10099)]