25207580

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{12479}}^1$

素因数の和:12589

約数の個数: 24

約数和(自身を含む): 53464320

約数和(自身を除く): 28256740

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 12479, 24958, 49916, 62395, 124790, 249580, 1260379, 2520758, 5041516, 6301895, 12603790, 25207580]

約数ペア:

[(1, 25207580), (2, 12603790), (4, 6301895), (5, 5041516), (10, 2520758), (20, 1260379), (101, 249580), (202, 124790), (404, 62395), (505, 49916), (1010, 24958), (2020, 12479)]