68528080

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{5749}}^1$

素因数の和:5911

約数の個数: 40

約数和(自身を含む): 160425000

約数和(自身を除く): 91896920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 5749, 5960, 11498, 11920, 22996, 28745, 45992, 57490, 91984, 114980, 229960, 459920, 856601, 1713202, 3426404, 4283005, 6852808, 8566010, 13705616, 17132020, 34264040, 68528080]

約数ペア:

[(1, 68528080), (2, 34264040), (4, 17132020), (5, 13705616), (8, 8566010), (10, 6852808), (16, 4283005), (20, 3426404), (40, 1713202), (80, 856601), (149, 459920), (298, 229960), (596, 114980), (745, 91984), (1192, 57490), (1490, 45992), (2384, 28745), (2980, 22996), (5749, 11920), (5960, 11498)]