80540825

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{140071}}^1$

素因数の和:140104

約数の個数: 12

約数和(自身を含む): 104213568

約数和(自身を除く): 23672743

約数列:

[1, 5, 23, 25, 115, 575, 140071, 700355, 3221633, 3501775, 16108165, 80540825]

約数ペア:

[(1, 80540825), (5, 16108165), (23, 3501775), (25, 3221633), (115, 700355), (575, 140071)]