68395480

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{10891}}^1$

素因数の和:11059

約数の個数: 32

約数和(自身を含む): 154884240

約数和(自身を除く): 86488760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 10891, 21782, 43564, 54455, 87128, 108910, 217820, 435640, 1709887, 3419774, 6839548, 8549435, 13679096, 17098870, 34197740, 68395480]

約数ペア:

[(1, 68395480), (2, 34197740), (4, 17098870), (5, 13679096), (8, 8549435), (10, 6839548), (20, 3419774), (40, 1709887), (157, 435640), (314, 217820), (628, 108910), (785, 87128), (1256, 54455), (1570, 43564), (3140, 21782), (6280, 10891)]