80480975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{463}}^1$

素因数の和:899

約数の個数: 24

約数和(自身を含む): 106153920

約数和(自身を除く): 25672945

約数列:

[1, 5, 17, 25, 85, 409, 425, 463, 2045, 2315, 6953, 7871, 10225, 11575, 34765, 39355, 173825, 189367, 196775, 946835, 3219239, 4734175, 16096195, 80480975]

約数ペア:

[(1, 80480975), (5, 16096195), (17, 4734175), (25, 3219239), (85, 946835), (409, 196775), (425, 189367), (463, 173825), (2045, 39355), (2315, 34765), (6953, 11575), (7871, 10225)]