2019520

素因数分解:

$2^6\times 5^1\times {\mathrm{6311}}^1$

素因数の和:6328

約数の個数: 28

約数和(自身を含む): 4809744

約数和(自身を除く): 2790224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 6311, 12622, 25244, 31555, 50488, 63110, 100976, 126220, 201952, 252440, 403904, 504880, 1009760, 2019520]

約数ペア:

[(1, 2019520), (2, 1009760), (4, 504880), (5, 403904), (8, 252440), (10, 201952), (16, 126220), (20, 100976), (32, 63110), (40, 50488), (64, 31555), (80, 25244), (160, 12622), (320, 6311)]