1428640

素因数分解:

$2^5\times 5^1\times {\mathrm{8929}}^1$

素因数の和:8944

約数の個数: 24

約数和(自身を含む): 3375540

約数和(自身を除く): 1946900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 8929, 17858, 35716, 44645, 71432, 89290, 142864, 178580, 285728, 357160, 714320, 1428640]

約数ペア:

[(1, 1428640), (2, 714320), (4, 357160), (5, 285728), (8, 178580), (10, 142864), (16, 89290), (20, 71432), (32, 44645), (40, 35716), (80, 17858), (160, 8929)]