80804036

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{7649}}^1$

素因数の和:7811

約数の個数: 24

約数和(自身を含む): 149940000

約数和(自身を除く): 69135964

約数列:

[1, 2, 4, 19, 38, 76, 139, 278, 556, 2641, 5282, 7649, 10564, 15298, 30596, 145331, 290662, 581324, 1063211, 2126422, 4252844, 20201009, 40402018, 80804036]

約数ペア:

[(1, 80804036), (2, 40402018), (4, 20201009), (19, 4252844), (38, 2126422), (76, 1063211), (139, 581324), (278, 290662), (556, 145331), (2641, 30596), (5282, 15298), (7649, 10564)]