7138655180

素因数分解:

$2^2\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{321851}}^1$

素因数の和:322969

約数の個数: 24

約数和(自身を含む): 15004740240

約数和(自身を除く): 7866085060

約数列:

[1, 2, 4, 5, 10, 20, 1109, 2218, 4436, 5545, 11090, 22180, 321851, 643702, 1287404, 1609255, 3218510, 6437020, 356932759, 713865518, 1427731036, 1784663795, 3569327590, 7138655180]

約数ペア:

[(1, 7138655180), (2, 3569327590), (4, 1784663795), (5, 1427731036), (10, 713865518), (20, 356932759), (1109, 6437020), (2218, 3218510), (4436, 1609255), (5545, 1287404), (11090, 643702), (22180, 321851)]