2176780

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{857}}^1$

素因数の和:993

約数の個数: 24

約数和(自身を含む): 4612608

約数和(自身を除く): 2435828

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 857, 1270, 1714, 2540, 3428, 4285, 8570, 17140, 108839, 217678, 435356, 544195, 1088390, 2176780]

約数ペア:

[(1, 2176780), (2, 1088390), (4, 544195), (5, 435356), (10, 217678), (20, 108839), (127, 17140), (254, 8570), (508, 4285), (635, 3428), (857, 2540), (1270, 1714)]