80566928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{387341}}^1$

素因数の和:387362

約数の個数: 20

約数和(自身を含む): 168106428

約数和(自身を除く): 87539500

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 387341, 774682, 1549364, 3098728, 5035433, 6197456, 10070866, 20141732, 40283464, 80566928]

約数ペア:

[(1, 80566928), (2, 40283464), (4, 20141732), (8, 10070866), (13, 6197456), (16, 5035433), (26, 3098728), (52, 1549364), (104, 774682), (208, 387341)]