206305520

素因数分解:

$2^4\times 5^1\times {\mathrm{2578819}}^1$

素因数の和:2578832

約数の個数: 20

約数和(自身を含む): 479660520

約数和(自身を除く): 273355000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2578819, 5157638, 10315276, 12894095, 20630552, 25788190, 41261104, 51576380, 103152760, 206305520]

約数ペア:

[(1, 206305520), (2, 103152760), (4, 51576380), (5, 41261104), (8, 25788190), (10, 20630552), (16, 12894095), (20, 10315276), (40, 5157638), (80, 2578819)]