1256166140

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{576223}}^1$

素因数の和:576341

約数の個数: 24

約数和(自身を含む): 2662154880

約数和(自身を除く): 1405988740

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 576223, 1152446, 2304892, 2881115, 5762230, 11524460, 62808307, 125616614, 251233228, 314041535, 628083070, 1256166140]

約数ペア:

[(1, 1256166140), (2, 628083070), (4, 314041535), (5, 251233228), (10, 125616614), (20, 62808307), (109, 11524460), (218, 5762230), (436, 2881115), (545, 2304892), (1090, 1152446), (2180, 576223)]