1990720

素因数分解:

$2^6\times 5^1\times {\mathrm{6221}}^1$

素因数の和:6238

約数の個数: 28

約数和(自身を含む): 4741164

約数和(自身を除く): 2750444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 6221, 12442, 24884, 31105, 49768, 62210, 99536, 124420, 199072, 248840, 398144, 497680, 995360, 1990720]

約数ペア:

[(1, 1990720), (2, 995360), (4, 497680), (5, 398144), (8, 248840), (10, 199072), (16, 124420), (20, 99536), (32, 62210), (40, 49768), (64, 31105), (80, 24884), (160, 12442), (320, 6221)]