80506480

素因数分解:

$2^4\times 5^1\times {\mathrm{1006331}}^1$

素因数の和:1006344

約数の個数: 20

約数和(自身を含む): 187177752

約数和(自身を除く): 106671272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1006331, 2012662, 4025324, 5031655, 8050648, 10063310, 16101296, 20126620, 40253240, 80506480]

約数ペア:

[(1, 80506480), (2, 40253240), (4, 20126620), (5, 16101296), (8, 10063310), (10, 8050648), (16, 5031655), (20, 4025324), (40, 2012662), (80, 1006331)]