8651120

素因数分解:

$2^4\times 5^1\times {\mathrm{108139}}^1$

素因数の和:108152

約数の個数: 20

約数和(自身を含む): 20114040

約数和(自身を除く): 11462920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 108139, 216278, 432556, 540695, 865112, 1081390, 1730224, 2162780, 4325560, 8651120]

約数ペア:

[(1, 8651120), (2, 4325560), (4, 2162780), (5, 1730224), (8, 1081390), (10, 865112), (16, 540695), (20, 432556), (40, 216278), (80, 108139)]