5130220

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1289}}^1$

素因数の和:1497

約数の個数: 24

約数和(自身を含む): 10836000

約数和(自身を除く): 5705780

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1289, 1990, 2578, 3980, 5156, 6445, 12890, 25780, 256511, 513022, 1026044, 1282555, 2565110, 5130220]

約数ペア:

[(1, 5130220), (2, 2565110), (4, 1282555), (5, 1026044), (10, 513022), (20, 256511), (199, 25780), (398, 12890), (796, 6445), (995, 5156), (1289, 3980), (1990, 2578)]