82171120

素因数分解:

$2^4\times 5^1\times {\mathrm{1027139}}^1$

素因数の和:1027152

約数の個数: 20

約数和(自身を含む): 191048040

約数和(自身を除く): 108876920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1027139, 2054278, 4108556, 5135695, 8217112, 10271390, 16434224, 20542780, 41085560, 82171120]

約数ペア:

[(1, 82171120), (2, 41085560), (4, 20542780), (5, 16434224), (8, 10271390), (10, 8217112), (16, 5135695), (20, 4108556), (40, 2054278), (80, 1027139)]