1335220

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{661}}^1$

素因数の和:771

約数の個数: 24

約数和(自身を含む): 2836008

約数和(自身を除く): 1500788

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 661, 1010, 1322, 2020, 2644, 3305, 6610, 13220, 66761, 133522, 267044, 333805, 667610, 1335220]

約数ペア:

[(1, 1335220), (2, 667610), (4, 333805), (5, 267044), (10, 133522), (20, 66761), (101, 13220), (202, 6610), (404, 3305), (505, 2644), (661, 2020), (1010, 1322)]