28182940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{82891}}^1$

素因数の和:82917

約数の個数: 24

約数和(自身を含む): 62666352

約数和(自身を除く): 34483412

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 82891, 165782, 331564, 414455, 828910, 1409147, 1657820, 2818294, 5636588, 7045735, 14091470, 28182940]

約数ペア:

[(1, 28182940), (2, 14091470), (4, 7045735), (5, 5636588), (10, 2818294), (17, 1657820), (20, 1409147), (34, 828910), (68, 414455), (85, 331564), (170, 165782), (340, 82891)]