4365220

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2161}}^1$

素因数の和:2271

約数の個数: 24

約数和(自身を含む): 9262008

約数和(自身を除く): 4896788

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 2161, 4322, 8644, 10805, 21610, 43220, 218261, 436522, 873044, 1091305, 2182610, 4365220]

約数ペア:

[(1, 4365220), (2, 2182610), (4, 1091305), (5, 873044), (10, 436522), (20, 218261), (101, 43220), (202, 21610), (404, 10805), (505, 8644), (1010, 4322), (2020, 2161)]