13455440

素因数分解:

$2^4\times 5^1\times {\mathrm{168193}}^1$

素因数の和:168206

約数の個数: 20

約数和(自身を含む): 31284084

約数和(自身を除く): 17828644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 168193, 336386, 672772, 840965, 1345544, 1681930, 2691088, 3363860, 6727720, 13455440]

約数ペア:

[(1, 13455440), (2, 6727720), (4, 3363860), (5, 2691088), (8, 1681930), (10, 1345544), (16, 840965), (20, 672772), (40, 336386), (80, 168193)]