2099800

素因数分解:

$2^3\times 5^2\times {\mathrm{10499}}^1$

素因数の和:10515

約数の個数: 24

約数和(自身を含む): 4882500

約数和(自身を除く): 2782700

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 10499, 20998, 41996, 52495, 83992, 104990, 209980, 262475, 419960, 524950, 1049900, 2099800]

約数ペア:

[(1, 2099800), (2, 1049900), (4, 524950), (5, 419960), (8, 262475), (10, 209980), (20, 104990), (25, 83992), (40, 52495), (50, 41996), (100, 20998), (200, 10499)]