2560264

素因数分解:

$2^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 5544000

約数和(自身を除く): 2983736

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 131, 262, 349, 524, 698, 917, 1048, 1396, 1834, 2443, 2792, 3668, 4886, 7336, 9772, 19544, 45719, 91438, 182876, 320033, 365752, 640066, 1280132, 2560264]

約数ペア:

[(1, 2560264), (2, 1280132), (4, 640066), (7, 365752), (8, 320033), (14, 182876), (28, 91438), (56, 45719), (131, 19544), (262, 9772), (349, 7336), (524, 4886), (698, 3668), (917, 2792), (1048, 2443), (1396, 1834)]