28244240

素因数分解:

$2^4\times 5^1\times {\mathrm{353053}}^1$

素因数の和:353066

約数の個数: 20

約数和(自身を含む): 65668044

約数和(自身を除く): 37423804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353053, 706106, 1412212, 1765265, 2824424, 3530530, 5648848, 7061060, 14122120, 28244240]

約数ペア:

[(1, 28244240), (2, 14122120), (4, 7061060), (5, 5648848), (8, 3530530), (10, 2824424), (16, 1765265), (20, 1412212), (40, 706106), (80, 353053)]