12857740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{91841}}^1$

素因数の和:91857

約数の個数: 24

約数和(自身を含む): 30858912

約数和(自身を除く): 18001172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 91841, 183682, 367364, 459205, 642887, 918410, 1285774, 1836820, 2571548, 3214435, 6428870, 12857740]

約数ペア:

[(1, 12857740), (2, 6428870), (4, 3214435), (5, 2571548), (7, 1836820), (10, 1285774), (14, 918410), (20, 642887), (28, 459205), (35, 367364), (70, 183682), (140, 91841)]