3840020

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1901}}^1$

素因数の和:2011

約数の個数: 24

約数和(自身を含む): 8148168

約数和(自身を除く): 4308148

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 1901, 2020, 3802, 7604, 9505, 19010, 38020, 192001, 384002, 768004, 960005, 1920010, 3840020]

約数ペア:

[(1, 3840020), (2, 1920010), (4, 960005), (5, 768004), (10, 384002), (20, 192001), (101, 38020), (202, 19010), (404, 9505), (505, 7604), (1010, 3802), (1901, 2020)]