13237480

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1663}}^1$

素因数の和:1873

約数の個数: 32

約数和(自身を含む): 29952000

約数和(自身を除く): 16714520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1663, 1990, 3326, 3980, 6652, 7960, 8315, 13304, 16630, 33260, 66520, 330937, 661874, 1323748, 1654685, 2647496, 3309370, 6618740, 13237480]

約数ペア:

[(1, 13237480), (2, 6618740), (4, 3309370), (5, 2647496), (8, 1654685), (10, 1323748), (20, 661874), (40, 330937), (199, 66520), (398, 33260), (796, 16630), (995, 13304), (1592, 8315), (1663, 7960), (1990, 6652), (3326, 3980)]