84681440

素因数分解:

$2^5\times 5^1\times {\mathrm{529259}}^1$

素因数の和:529274

約数の個数: 24

約数和(自身を含む): 200060280

約数和(自身を除く): 115378840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 529259, 1058518, 2117036, 2646295, 4234072, 5292590, 8468144, 10585180, 16936288, 21170360, 42340720, 84681440]

約数ペア:

[(1, 84681440), (2, 42340720), (4, 21170360), (5, 16936288), (8, 10585180), (10, 8468144), (16, 5292590), (20, 4234072), (32, 2646295), (40, 2117036), (80, 1058518), (160, 529259)]