1330906580

素因数分解:

$2^2\times 5^1\times {\mathrm{66545329}}^1$

素因数の和:66545338

約数の個数: 12

約数和(自身を含む): 2794903860

約数和(自身を除く): 1463997280

約数列:

[1, 2, 4, 5, 10, 20, 66545329, 133090658, 266181316, 332726645, 665453290, 1330906580]

約数ペア:

[(1, 1330906580), (2, 665453290), (4, 332726645), (5, 266181316), (10, 133090658), (20, 66545329)]