205123680760

素因数分解:

$2^3\times 5^1\times {\mathrm{5128092019}}^1$

素因数の和:5128092030

約数の個数: 16

約数和(自身を含む): 461528281800

約数和(自身を除く): 256404601040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5128092019, 10256184038, 20512368076, 25640460095, 41024736152, 51280920190, 102561840380, 205123680760]

約数ペア:

[(1, 205123680760), (2, 102561840380), (4, 51280920190), (5, 41024736152), (8, 25640460095), (10, 20512368076), (20, 10256184038), (40, 5128092019)]