22787540

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{10453}}^1$

素因数の和:10571

約数の個数: 24

約数和(自身を含む): 48297480

約数和(自身を除く): 25509940

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 10453, 20906, 41812, 52265, 104530, 209060, 1139377, 2278754, 4557508, 5696885, 11393770, 22787540]

約数ペア:

[(1, 22787540), (2, 11393770), (4, 5696885), (5, 4557508), (10, 2278754), (20, 1139377), (109, 209060), (218, 104530), (436, 52265), (545, 41812), (1090, 20906), (2180, 10453)]