8520260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{60859}}^1$

素因数の和:60875

約数の個数: 24

約数和(自身を含む): 20448960

約数和(自身を除く): 11928700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 60859, 121718, 243436, 304295, 426013, 608590, 852026, 1217180, 1704052, 2130065, 4260130, 8520260]

約数ペア:

[(1, 8520260), (2, 4260130), (4, 2130065), (5, 1704052), (7, 1217180), (10, 852026), (14, 608590), (20, 426013), (28, 304295), (35, 243436), (70, 121718), (140, 60859)]