89159960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{487}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 210816000

約数和(自身を除く): 121656040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 199, 230, 398, 460, 487, 796, 920, 974, 995, 1592, 1948, 1990, 2435, 3896, 3980, 4577, 4870, 7960, 9154, 9740, 11201, 18308, 19480, 22402, 22885, 36616, 44804, 45770, 56005, 89608, 91540, 96913, 112010, 183080, 193826, 224020, 387652, 448040, 484565, 775304, 969130, 1938260, 2228999, 3876520, 4457998, 8915996, 11144995, 17831992, 22289990, 44579980, 89159960]

約数ペア:

[(1, 89159960), (2, 44579980), (4, 22289990), (5, 17831992), (8, 11144995), (10, 8915996), (20, 4457998), (23, 3876520), (40, 2228999), (46, 1938260), (92, 969130), (115, 775304), (184, 484565), (199, 448040), (230, 387652), (398, 224020), (460, 193826), (487, 183080), (796, 112010), (920, 96913), (974, 91540), (995, 89608), (1592, 56005), (1948, 45770), (1990, 44804), (2435, 36616), (3896, 22885), (3980, 22402), (4577, 19480), (4870, 18308), (7960, 11201), (9154, 9740)]