54507280

素因数分解:

$2^4\times 5^1\times {\mathrm{681341}}^1$

素因数の和:681354

約数の個数: 20

約数和(自身を含む): 126729612

約数和(自身を除く): 72222332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 681341, 1362682, 2725364, 3406705, 5450728, 6813410, 10901456, 13626820, 27253640, 54507280]

約数ペア:

[(1, 54507280), (2, 27253640), (4, 13626820), (5, 10901456), (8, 6813410), (10, 5450728), (16, 3406705), (20, 2725364), (40, 1362682), (80, 681341)]