4522780

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2239}}^1$

素因数の和:2349

約数の個数: 24

約数和(自身を含む): 9596160

約数和(自身を除く): 5073380

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 2239, 4478, 8956, 11195, 22390, 44780, 226139, 452278, 904556, 1130695, 2261390, 4522780]

約数ペア:

[(1, 4522780), (2, 2261390), (4, 1130695), (5, 904556), (10, 452278), (20, 226139), (101, 44780), (202, 22390), (404, 11195), (505, 8956), (1010, 4478), (2020, 2239)]