80107775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{7873}}^1$

素因数の和:7931

約数の個数: 24

約数和(自身を含む): 111306864

約数和(自身を除く): 31199089

約数列:

[1, 5, 11, 25, 37, 55, 185, 275, 407, 925, 2035, 7873, 10175, 39365, 86603, 196825, 291301, 433015, 1456505, 2165075, 3204311, 7282525, 16021555, 80107775]

約数ペア:

[(1, 80107775), (5, 16021555), (11, 7282525), (25, 3204311), (37, 2165075), (55, 1456505), (185, 433015), (275, 291301), (407, 196825), (925, 86603), (2035, 39365), (7873, 10175)]