2540208760

素因数分解:

$2^3\times 5^1\times {\mathrm{1259}}^1\times {\mathrm{50441}}^1$

素因数の和:51711

約数の個数: 32

約数和(自身を含む): 5720122800

約数和(自身を除く): 3179914040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1259, 2518, 5036, 6295, 10072, 12590, 25180, 50360, 50441, 100882, 201764, 252205, 403528, 504410, 1008820, 2017640, 63505219, 127010438, 254020876, 317526095, 508041752, 635052190, 1270104380, 2540208760]

約数ペア:

[(1, 2540208760), (2, 1270104380), (4, 635052190), (5, 508041752), (8, 317526095), (10, 254020876), (20, 127010438), (40, 63505219), (1259, 2017640), (2518, 1008820), (5036, 504410), (6295, 403528), (10072, 252205), (12590, 201764), (25180, 100882), (50360, 50441)]