1905520

素因数分解:

$2^4\times 5^1\times {\mathrm{23819}}^1$

素因数の和:23832

約数の個数: 20

約数和(自身を含む): 4430520

約数和(自身を除く): 2525000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 23819, 47638, 95276, 119095, 190552, 238190, 381104, 476380, 952760, 1905520]

約数ペア:

[(1, 1905520), (2, 952760), (4, 476380), (5, 381104), (8, 238190), (10, 190552), (16, 119095), (20, 95276), (40, 47638), (80, 23819)]