18320260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{130859}}^1$

素因数の和:130875

約数の個数: 24

約数和(自身を含む): 43968960

約数和(自身を除く): 25648700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 130859, 261718, 523436, 654295, 916013, 1308590, 1832026, 2617180, 3664052, 4580065, 9160130, 18320260]

約数ペア:

[(1, 18320260), (2, 9160130), (4, 4580065), (5, 3664052), (7, 2617180), (10, 1832026), (14, 1308590), (20, 916013), (28, 654295), (35, 523436), (70, 261718), (140, 130859)]