66507790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1759}}^1$

素因数の和:1984

約数の個数: 32

約数和(自身を含む): 126720000

約数和(自身を除く): 60212210

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 199, 398, 995, 1759, 1990, 3518, 3781, 7562, 8795, 17590, 18905, 33421, 37810, 66842, 167105, 334210, 350041, 700082, 1750205, 3500410, 6650779, 13301558, 33253895, 66507790]

約数ペア:

[(1, 66507790), (2, 33253895), (5, 13301558), (10, 6650779), (19, 3500410), (38, 1750205), (95, 700082), (190, 350041), (199, 334210), (398, 167105), (995, 66842), (1759, 37810), (1990, 33421), (3518, 18905), (3781, 17590), (7562, 8795)]