11375440

素因数分解:

$2^4\times 5^1\times {\mathrm{142193}}^1$

素因数の和:142206

約数の個数: 20

約数和(自身を含む): 26448084

約数和(自身を除く): 15072644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 142193, 284386, 568772, 710965, 1137544, 1421930, 2275088, 2843860, 5687720, 11375440]

約数ペア:

[(1, 11375440), (2, 5687720), (4, 2843860), (5, 2275088), (8, 1421930), (10, 1137544), (16, 710965), (20, 568772), (40, 284386), (80, 142193)]