13920050

素因数分解:

$2^1\times 5^2\times {\mathrm{199}}^1\times {\mathrm{1399}}^1$

素因数の和:1610

約数の個数: 24

約数和(自身を含む): 26040000

約数和(自身を除く): 12119950

約数列:

[1, 2, 5, 10, 25, 50, 199, 398, 995, 1399, 1990, 2798, 4975, 6995, 9950, 13990, 34975, 69950, 278401, 556802, 1392005, 2784010, 6960025, 13920050]

約数ペア:

[(1, 13920050), (2, 6960025), (5, 2784010), (10, 1392005), (25, 556802), (50, 278401), (199, 69950), (398, 34975), (995, 13990), (1399, 9950), (1990, 6995), (2798, 4975)]