65840360

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{15101}}^1$

素因数の和:15221

約数の個数: 32

約数和(自身を含む): 149509800

約数和(自身を除く): 83669440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 15101, 30202, 60404, 75505, 120808, 151010, 302020, 604040, 1646009, 3292018, 6584036, 8230045, 13168072, 16460090, 32920180, 65840360]

約数ペア:

[(1, 65840360), (2, 32920180), (4, 16460090), (5, 13168072), (8, 8230045), (10, 6584036), (20, 3292018), (40, 1646009), (109, 604040), (218, 302020), (436, 151010), (545, 120808), (872, 75505), (1090, 60404), (2180, 30202), (4360, 15101)]