55601948020

素因数分解:

$2^2\times 5^1\times {\mathrm{2780097401}}^1$

素因数の和:2780097410

約数の個数: 12

約数和(自身を含む): 116764090884

約数和(自身を除く): 61162142864

約数列:

[1, 2, 4, 5, 10, 20, 2780097401, 5560194802, 11120389604, 13900487005, 27800974010, 55601948020]

約数ペア:

[(1, 55601948020), (2, 27800974010), (4, 13900487005), (5, 11120389604), (10, 5560194802), (20, 2780097401)]