4215740

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2087}}^1$

素因数の和:2197

約数の個数: 24

約数和(自身を含む): 8944992

約数和(自身を除く): 4729252

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 2087, 4174, 8348, 10435, 20870, 41740, 210787, 421574, 843148, 1053935, 2107870, 4215740]

約数ペア:

[(1, 4215740), (2, 2107870), (4, 1053935), (5, 843148), (10, 421574), (20, 210787), (101, 41740), (202, 20870), (404, 10435), (505, 8348), (1010, 4174), (2020, 2087)]