497680

素因数分解:

$2^4\times 5^1\times {\mathrm{6221}}^1$

素因数の和:6234

約数の個数: 20

約数和(自身を含む): 1157292

約数和(自身を除く): 659612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6221, 12442, 24884, 31105, 49768, 62210, 99536, 124420, 248840, 497680]

約数ペア:

[(1, 497680), (2, 248840), (4, 124420), (5, 99536), (8, 62210), (10, 49768), (16, 31105), (20, 24884), (40, 12442), (80, 6221)]