345760

素因数分解:

$2^5\times 5^1\times {\mathrm{2161}}^1$

素因数の和:2176

約数の個数: 24

約数和(自身を含む): 817236

約数和(自身を除く): 471476

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2161, 4322, 8644, 10805, 17288, 21610, 34576, 43220, 69152, 86440, 172880, 345760]

約数ペア:

[(1, 345760), (2, 172880), (4, 86440), (5, 69152), (8, 43220), (10, 34576), (16, 21610), (20, 17288), (32, 10805), (40, 8644), (80, 4322), (160, 2161)]