80493940805

素因数分解:

$5^1\times {\mathrm{181}}^2\times {\mathrm{701}}^2$

素因数の和:1769

約数の個数: 18

約数和(自身を含む): 97268094774

約数和(自身を除く): 16774153969

約数列:

[1, 5, 181, 701, 905, 3505, 32761, 126881, 163805, 491401, 634405, 2457005, 22965461, 88943581, 114827305, 444717905, 16098788161, 80493940805]

約数ペア:

[(1, 80493940805), (5, 16098788161), (181, 444717905), (701, 114827305), (905, 88943581), (3505, 22965461), (32761, 2457005), (126881, 634405), (163805, 491401)]