12858220

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{8807}}^1$

素因数の和:8889

約数の個数: 24

約数和(自身を含む): 27375264

約数和(自身を除く): 14517044

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 8807, 17614, 35228, 44035, 88070, 176140, 642911, 1285822, 2571644, 3214555, 6429110, 12858220]

約数ペア:

[(1, 12858220), (2, 6429110), (4, 3214555), (5, 2571644), (10, 1285822), (20, 642911), (73, 176140), (146, 88070), (292, 44035), (365, 35228), (730, 17614), (1460, 8807)]