81680005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{34537}}^1$

素因数の和:34596

約数の個数: 16

約数和(自身を含む): 109416384

約数和(自身を除く): 27736379

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 34537, 172685, 379907, 1485091, 1899535, 7425455, 16336001, 81680005]

約数ペア:

[(1, 81680005), (5, 16336001), (11, 7425455), (43, 1899535), (55, 1485091), (215, 379907), (473, 172685), (2365, 34537)]