8420780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{24767}}^1$

素因数の和:24793

約数の個数: 24

約数和(自身を含む): 18724608

約数和(自身を除く): 10303828

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 24767, 49534, 99068, 123835, 247670, 421039, 495340, 842078, 1684156, 2105195, 4210390, 8420780]

約数ペア:

[(1, 8420780), (2, 4210390), (4, 2105195), (5, 1684156), (10, 842078), (17, 495340), (20, 421039), (34, 247670), (68, 123835), (85, 99068), (170, 49534), (340, 24767)]