80806825

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{26713}}^1$

素因数の和:26745

約数の個数: 18

約数和(自身を含む): 110141822

約数和(自身を除く): 29334997

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 26713, 133565, 293843, 667825, 1469215, 3232273, 7346075, 16161365, 80806825]

約数ペア:

[(1, 80806825), (5, 16161365), (11, 7346075), (25, 3232273), (55, 1469215), (121, 667825), (275, 293843), (605, 133565), (3025, 26713)]