28159480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41411}}^1$

素因数の和:41439

約数の個数: 32

約数和(自身を含む): 67087440

約数和(自身を除く): 38927960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 41411, 82822, 165644, 207055, 331288, 414110, 703987, 828220, 1407974, 1656440, 2815948, 3519935, 5631896, 7039870, 14079740, 28159480]

約数ペア:

[(1, 28159480), (2, 14079740), (4, 7039870), (5, 5631896), (8, 3519935), (10, 2815948), (17, 1656440), (20, 1407974), (34, 828220), (40, 703987), (68, 414110), (85, 331288), (136, 207055), (170, 165644), (340, 82822), (680, 41411)]