542020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{661}}^1$

素因数の和:711

約数の個数: 24

約数和(自身を含む): 1167768

約数和(自身を除く): 625748

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 661, 820, 1322, 2644, 3305, 6610, 13220, 27101, 54202, 108404, 135505, 271010, 542020]

約数ペア:

[(1, 542020), (2, 271010), (4, 135505), (5, 108404), (10, 54202), (20, 27101), (41, 13220), (82, 6610), (164, 3305), (205, 2644), (410, 1322), (661, 820)]