28643260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{75377}}^1$

素因数の和:75405

約数の個数: 24

約数和(自身を含む): 63317520

約数和(自身を除く): 34674260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 75377, 150754, 301508, 376885, 753770, 1432163, 1507540, 2864326, 5728652, 7160815, 14321630, 28643260]

約数ペア:

[(1, 28643260), (2, 14321630), (4, 7160815), (5, 5728652), (10, 2864326), (19, 1507540), (20, 1432163), (38, 753770), (76, 376885), (95, 301508), (190, 150754), (380, 75377)]