66450080

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2087}}^1$

素因数の和:2301

約数の個数: 48

約数和(自身を含む): 157852800

約数和(自身を除く): 91402720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 398, 796, 995, 1592, 1990, 2087, 3184, 3980, 4174, 6368, 7960, 8348, 10435, 15920, 16696, 20870, 31840, 33392, 41740, 66784, 83480, 166960, 333920, 415313, 830626, 1661252, 2076565, 3322504, 4153130, 6645008, 8306260, 13290016, 16612520, 33225040, 66450080]

約数ペア:

[(1, 66450080), (2, 33225040), (4, 16612520), (5, 13290016), (8, 8306260), (10, 6645008), (16, 4153130), (20, 3322504), (32, 2076565), (40, 1661252), (80, 830626), (160, 415313), (199, 333920), (398, 166960), (796, 83480), (995, 66784), (1592, 41740), (1990, 33392), (2087, 31840), (3184, 20870), (3980, 16696), (4174, 15920), (6368, 10435), (7960, 8348)]