2628020

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1301}}^1$

素因数の和:1411

約数の個数: 24

約数和(自身を含む): 5577768

約数和(自身を除く): 2949748

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 1301, 2020, 2602, 5204, 6505, 13010, 26020, 131401, 262802, 525604, 657005, 1314010, 2628020]

約数ペア:

[(1, 2628020), (2, 1314010), (4, 657005), (5, 525604), (10, 262802), (20, 131401), (101, 26020), (202, 13010), (404, 6505), (505, 5204), (1010, 2602), (1301, 2020)]