28295480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41611}}^1$

素因数の和:41639

約数の個数: 32

約数和(自身を含む): 67411440

約数和(自身を除く): 39115960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 41611, 83222, 166444, 208055, 332888, 416110, 707387, 832220, 1414774, 1664440, 2829548, 3536935, 5659096, 7073870, 14147740, 28295480]

約数ペア:

[(1, 28295480), (2, 14147740), (4, 7073870), (5, 5659096), (8, 3536935), (10, 2829548), (17, 1664440), (20, 1414774), (34, 832220), (40, 707387), (68, 416110), (85, 332888), (136, 208055), (170, 166444), (340, 83222), (680, 41611)]