28155740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{82811}}^1$

素因数の和:82837

約数の個数: 24

約数和(自身を含む): 62605872

約数和(自身を除く): 34450132

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 82811, 165622, 331244, 414055, 828110, 1407787, 1656220, 2815574, 5631148, 7038935, 14077870, 28155740]

約数ペア:

[(1, 28155740), (2, 14077870), (4, 7038935), (5, 5631148), (10, 2815574), (17, 1656220), (20, 1407787), (34, 828110), (68, 414055), (85, 331244), (170, 165622), (340, 82811)]