8266820

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3863}}^1$

素因数の和:3979

約数の個数: 24

約数和(自身を含む): 17527104

約数和(自身を除く): 9260284

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 3863, 7726, 15452, 19315, 38630, 77260, 413341, 826682, 1653364, 2066705, 4133410, 8266820]

約数ペア:

[(1, 8266820), (2, 4133410), (4, 2066705), (5, 1653364), (10, 826682), (20, 413341), (107, 77260), (214, 38630), (428, 19315), (535, 15452), (1070, 7726), (2140, 3863)]