128210660

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{33563}}^1$

素因数の和:33763

約数の個数: 24

約数和(自身を含む): 270660096

約数和(自身を除く): 142449436

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 33563, 67126, 134252, 167815, 335630, 671260, 6410533, 12821066, 25642132, 32052665, 64105330, 128210660]

約数ペア:

[(1, 128210660), (2, 64105330), (4, 32052665), (5, 25642132), (10, 12821066), (20, 6410533), (191, 671260), (382, 335630), (764, 167815), (955, 134252), (1910, 67126), (3820, 33563)]