1993840

素因数分解:

$2^4\times 5^1\times {\mathrm{24923}}^1$

素因数の和:24936

約数の個数: 20

約数和(自身を含む): 4635864

約数和(自身を除く): 2642024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 24923, 49846, 99692, 124615, 199384, 249230, 398768, 498460, 996920, 1993840]

約数ペア:

[(1, 1993840), (2, 996920), (4, 498460), (5, 398768), (8, 249230), (10, 199384), (16, 124615), (20, 99692), (40, 49846), (80, 24923)]