28011580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{82387}}^1$

素因数の和:82413

約数の個数: 24

約数和(自身を含む): 62285328

約数和(自身を除く): 34273748

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 82387, 164774, 329548, 411935, 823870, 1400579, 1647740, 2801158, 5602316, 7002895, 14005790, 28011580]

約数ペア:

[(1, 28011580), (2, 14005790), (4, 7002895), (5, 5602316), (10, 2801158), (17, 1647740), (20, 1400579), (34, 823870), (68, 411935), (85, 329548), (170, 164774), (340, 82387)]