129600255340

素因数分解:

$2^2\times 5^1\times {\mathrm{6480012767}}^1$

素因数の和:6480012776

約数の個数: 12

約数和(自身を含む): 272160536256

約数和(自身を除く): 142560280916

約数列:

[1, 2, 4, 5, 10, 20, 6480012767, 12960025534, 25920051068, 32400063835, 64800127670, 129600255340]

約数ペア:

[(1, 129600255340), (2, 64800127670), (4, 32400063835), (5, 25920051068), (10, 12960025534), (20, 6480012767)]