12571280

素因数分解:

$2^4\times 5^1\times {\mathrm{157141}}^1$

素因数の和:157154

約数の個数: 20

約数和(自身を含む): 29228412

約数和(自身を除く): 16657132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157141, 314282, 628564, 785705, 1257128, 1571410, 2514256, 3142820, 6285640, 12571280]

約数ペア:

[(1, 12571280), (2, 6285640), (4, 3142820), (5, 2514256), (8, 1571410), (10, 1257128), (16, 785705), (20, 628564), (40, 314282), (80, 157141)]