28965520

素因数分解:

$2^4\times 5^1\times {\mathrm{362069}}^1$

素因数の和:362082

約数の個数: 20

約数和(自身を含む): 67345020

約数和(自身を除く): 38379500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 362069, 724138, 1448276, 1810345, 2896552, 3620690, 5793104, 7241380, 14482760, 28965520]

約数ペア:

[(1, 28965520), (2, 14482760), (4, 7241380), (5, 5793104), (8, 3620690), (10, 2896552), (16, 1810345), (20, 1448276), (40, 724138), (80, 362069)]