28827580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{84787}}^1$

素因数の和:84813

約数の個数: 24

約数和(自身を含む): 64099728

約数和(自身を除く): 35272148

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 84787, 169574, 339148, 423935, 847870, 1441379, 1695740, 2882758, 5765516, 7206895, 14413790, 28827580]

約数ペア:

[(1, 28827580), (2, 14413790), (4, 7206895), (5, 5765516), (10, 2882758), (17, 1695740), (20, 1441379), (34, 847870), (68, 423935), (85, 339148), (170, 169574), (340, 84787)]