8655440

素因数分解:

$2^4\times 5^1\times {\mathrm{108193}}^1$

素因数の和:108206

約数の個数: 20

約数和(自身を含む): 20124084

約数和(自身を除く): 11468644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 108193, 216386, 432772, 540965, 865544, 1081930, 1731088, 2163860, 4327720, 8655440]

約数ペア:

[(1, 8655440), (2, 4327720), (4, 2163860), (5, 1731088), (8, 1081930), (10, 865544), (16, 540965), (20, 432772), (40, 216386), (80, 108193)]