8147060

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 18144000

約数和(自身を除く): 9996940

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 89, 92, 115, 178, 199, 230, 356, 398, 445, 460, 796, 890, 995, 1780, 1990, 2047, 3980, 4094, 4577, 8188, 9154, 10235, 17711, 18308, 20470, 22885, 35422, 40940, 45770, 70844, 88555, 91540, 177110, 354220, 407353, 814706, 1629412, 2036765, 4073530, 8147060]

約数ペア:

[(1, 8147060), (2, 4073530), (4, 2036765), (5, 1629412), (10, 814706), (20, 407353), (23, 354220), (46, 177110), (89, 91540), (92, 88555), (115, 70844), (178, 45770), (199, 40940), (230, 35422), (356, 22885), (398, 20470), (445, 18308), (460, 17711), (796, 10235), (890, 9154), (995, 8188), (1780, 4577), (1990, 4094), (2047, 3980)]