30079640

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6899}}^1$

素因数の和:7019

約数の個数: 32

約数和(自身を含む): 68310000

約数和(自身を除く): 38230360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 6899, 13798, 27596, 34495, 55192, 68990, 137980, 275960, 751991, 1503982, 3007964, 3759955, 6015928, 7519910, 15039820, 30079640]

約数ペア:

[(1, 30079640), (2, 15039820), (4, 7519910), (5, 6015928), (8, 3759955), (10, 3007964), (20, 1503982), (40, 751991), (109, 275960), (218, 137980), (436, 68990), (545, 55192), (872, 34495), (1090, 27596), (2180, 13798), (4360, 6899)]