80800775

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{26711}}^1$

素因数の和:26743

約数の個数: 18

約数和(自身を含む): 110133576

約数和(自身を除く): 29332801

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 26711, 133555, 293821, 667775, 1469105, 3232031, 7345525, 16160155, 80800775]

約数ペア:

[(1, 80800775), (5, 16160155), (11, 7345525), (25, 3232031), (55, 1469105), (121, 667775), (275, 293821), (605, 133555), (3025, 26711)]