66120140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{194471}}^1$

素因数の和:194497

約数の個数: 24

約数和(自身を含む): 147020832

約数和(自身を除く): 80900692

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 194471, 388942, 777884, 972355, 1944710, 3306007, 3889420, 6612014, 13224028, 16530035, 33060070, 66120140]

約数ペア:

[(1, 66120140), (2, 33060070), (4, 16530035), (5, 13224028), (10, 6612014), (17, 3889420), (20, 3306007), (34, 1944710), (68, 972355), (85, 777884), (170, 388942), (340, 194471)]