80495225

素因数分解:

$5^2\times {\mathrm{181}}^1\times {\mathrm{17789}}^1$

素因数の和:17980

約数の個数: 12

約数和(自身を含む): 100371180

約数和(自身を除く): 19875955

約数列:

[1, 5, 25, 181, 905, 4525, 17789, 88945, 444725, 3219809, 16099045, 80495225]

約数ペア:

[(1, 80495225), (5, 16099045), (25, 3219809), (181, 444725), (905, 88945), (4525, 17789)]