11221520

素因数分解:

$2^4\times 5^1\times {\mathrm{140269}}^1$

素因数の和:140282

約数の個数: 20

約数和(自身を含む): 26090220

約数和(自身を除く): 14868700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 140269, 280538, 561076, 701345, 1122152, 1402690, 2244304, 2805380, 5610760, 11221520]

約数ペア:

[(1, 11221520), (2, 5610760), (4, 2805380), (5, 2244304), (8, 1402690), (10, 1122152), (16, 701345), (20, 561076), (40, 280538), (80, 140269)]