28138060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{82759}}^1$

素因数の和:82785

約数の個数: 24

約数和(自身を含む): 62566560

約数和(自身を除く): 34428500

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 82759, 165518, 331036, 413795, 827590, 1406903, 1655180, 2813806, 5627612, 7034515, 14069030, 28138060]

約数ペア:

[(1, 28138060), (2, 14069030), (4, 7034515), (5, 5627612), (10, 2813806), (17, 1655180), (20, 1406903), (34, 827590), (68, 413795), (85, 331036), (170, 165518), (340, 82759)]