2777540

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1229}}^1$

素因数の和:1351

約数の個数: 24

約数和(自身を含む): 5889240

約数和(自身を除く): 3111700

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 1229, 2260, 2458, 4916, 6145, 12290, 24580, 138877, 277754, 555508, 694385, 1388770, 2777540]

約数ペア:

[(1, 2777540), (2, 1388770), (4, 694385), (5, 555508), (10, 277754), (20, 138877), (113, 24580), (226, 12290), (452, 6145), (565, 4916), (1130, 2458), (1229, 2260)]