80881495

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{22129}}^1$

素因数の和:22194

約数の個数: 16

約数和(自身を含む): 105161760

約数和(自身を除く): 24280265

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 22129, 110645, 376193, 951547, 1880965, 4757735, 16176299, 80881495]

約数ペア:

[(1, 80881495), (5, 16176299), (17, 4757735), (43, 1880965), (85, 951547), (215, 376193), (731, 110645), (3655, 22129)]