28958180

素因数分解:

$2^2\times 5^1\times {\mathrm{547}}^1\times {\mathrm{2647}}^1$

素因数の和:3203

約数の個数: 24

約数和(自身を含む): 60946368

約数和(自身を除く): 31988188

約数列:

[1, 2, 4, 5, 10, 20, 547, 1094, 2188, 2647, 2735, 5294, 5470, 10588, 10940, 13235, 26470, 52940, 1447909, 2895818, 5791636, 7239545, 14479090, 28958180]

約数ペア:

[(1, 28958180), (2, 14479090), (4, 7239545), (5, 5791636), (10, 2895818), (20, 1447909), (547, 52940), (1094, 26470), (2188, 13235), (2647, 10940), (2735, 10588), (5294, 5470)]