85259560

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{10711}}^1$

素因数の和:10921

約数の個数: 32

約数和(自身を含む): 192816000

約数和(自身を除く): 107556440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 10711, 21422, 42844, 53555, 85688, 107110, 214220, 428440, 2131489, 4262978, 8525956, 10657445, 17051912, 21314890, 42629780, 85259560]

約数ペア:

[(1, 85259560), (2, 42629780), (4, 21314890), (5, 17051912), (8, 10657445), (10, 8525956), (20, 4262978), (40, 2131489), (199, 428440), (398, 214220), (796, 107110), (995, 85688), (1592, 53555), (1990, 42844), (3980, 21422), (7960, 10711)]