68670920

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{8627}}^1$

素因数の和:8837

約数の個数: 32

約数和(自身を含む): 155304000

約数和(自身を除く): 86633080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 8627, 17254, 34508, 43135, 69016, 86270, 172540, 345080, 1716773, 3433546, 6867092, 8583865, 13734184, 17167730, 34335460, 68670920]

約数ペア:

[(1, 68670920), (2, 34335460), (4, 17167730), (5, 13734184), (8, 8583865), (10, 6867092), (20, 3433546), (40, 1716773), (199, 345080), (398, 172540), (796, 86270), (995, 69016), (1592, 43135), (1990, 34508), (3980, 17254), (7960, 8627)]