20170123720

素因数分解:

$2^3\times 5^1\times {\mathrm{504253093}}^1$

素因数の和:504253104

約数の個数: 16

約数和(自身を含む): 45382778460

約数和(自身を除く): 25212654740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504253093, 1008506186, 2017012372, 2521265465, 4034024744, 5042530930, 10085061860, 20170123720]

約数ペア:

[(1, 20170123720), (2, 10085061860), (4, 5042530930), (5, 4034024744), (8, 2521265465), (10, 2017012372), (20, 1008506186), (40, 504253093)]