28563740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{84011}}^1$

素因数の和:84037

約数の個数: 24

約数和(自身を含む): 63513072

約数和(自身を除く): 34949332

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 84011, 168022, 336044, 420055, 840110, 1428187, 1680220, 2856374, 5712748, 7140935, 14281870, 28563740]

約数ペア:

[(1, 28563740), (2, 14281870), (4, 7140935), (5, 5712748), (10, 2856374), (17, 1680220), (20, 1428187), (34, 840110), (68, 420055), (85, 336044), (170, 168022), (340, 84011)]