8121580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23887}}^1$

素因数の和:23913

約数の個数: 24

約数和(自身を含む): 18059328

約数和(自身を除く): 9937748

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 23887, 47774, 95548, 119435, 238870, 406079, 477740, 812158, 1624316, 2030395, 4060790, 8121580]

約数ペア:

[(1, 8121580), (2, 4060790), (4, 2030395), (5, 1624316), (10, 812158), (17, 477740), (20, 406079), (34, 238870), (68, 119435), (85, 95548), (170, 47774), (340, 23887)]