165744140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{202127}}^1$

素因数の和:202177

約数の個数: 24

約数和(自身を含む): 356553792

約数和(自身を除く): 190809652

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 202127, 404254, 808508, 1010635, 2021270, 4042540, 8287207, 16574414, 33148828, 41436035, 82872070, 165744140]

約数ペア:

[(1, 165744140), (2, 82872070), (4, 41436035), (5, 33148828), (10, 16574414), (20, 8287207), (41, 4042540), (82, 2021270), (164, 1010635), (205, 808508), (410, 404254), (820, 202127)]