49793780

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{12511}}^1$

素因数の和:12719

約数の個数: 24

約数和(自身を含む): 105100800

約数和(自身を除く): 55307020

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 12511, 25022, 50044, 62555, 125110, 250220, 2489689, 4979378, 9958756, 12448445, 24896890, 49793780]

約数ペア:

[(1, 49793780), (2, 24896890), (4, 12448445), (5, 9958756), (10, 4979378), (20, 2489689), (199, 250220), (398, 125110), (796, 62555), (995, 50044), (1990, 25022), (3980, 12511)]