12740864

素因数分解:

$2^8\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:490

約数の個数: 36

約数和(自身を含む): 25674684

約数和(自身を除く): 12933820

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 157, 256, 314, 317, 628, 634, 1256, 1268, 2512, 2536, 5024, 5072, 10048, 10144, 20096, 20288, 40192, 40576, 49769, 81152, 99538, 199076, 398152, 796304, 1592608, 3185216, 6370432, 12740864]

約数ペア:

[(1, 12740864), (2, 6370432), (4, 3185216), (8, 1592608), (16, 796304), (32, 398152), (64, 199076), (128, 99538), (157, 81152), (256, 49769), (314, 40576), (317, 40192), (628, 20288), (634, 20096), (1256, 10144), (1268, 10048), (2512, 5072), (2536, 5024)]