16425520

素因数分解:

$2^4\times 5^1\times {\mathrm{205319}}^1$

素因数の和:205332

約数の個数: 20

約数和(自身を含む): 38189520

約数和(自身を除く): 21764000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 205319, 410638, 821276, 1026595, 1642552, 2053190, 3285104, 4106380, 8212760, 16425520]

約数ペア:

[(1, 16425520), (2, 8212760), (4, 4106380), (5, 3285104), (8, 2053190), (10, 1642552), (16, 1026595), (20, 821276), (40, 410638), (80, 205319)]