3960100

素因数分解:

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

素因数の和:412

約数の個数: 27

約数和(自身を含む): 8636817

約数和(自身を除く): 4676717

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 199, 398, 796, 995, 1990, 3980, 4975, 9950, 19900, 39601, 79202, 158404, 198005, 396010, 792020, 990025, 1980050, 3960100]

約数ペア:

[(1, 3960100), (2, 1980050), (4, 990025), (5, 792020), (10, 396010), (20, 198005), (25, 158404), (50, 79202), (100, 39601), (199, 19900), (398, 9950), (796, 4975), (995, 3980)]