31065980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{141209}}^1$

素因数の和:141229

約数の個数: 24

約数和(自身を含む): 71169840

約数和(自身を除く): 40103860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 141209, 282418, 564836, 706045, 1412090, 1553299, 2824180, 3106598, 6213196, 7766495, 15532990, 31065980]

約数ペア:

[(1, 31065980), (2, 15532990), (4, 7766495), (5, 6213196), (10, 3106598), (11, 2824180), (20, 1553299), (22, 1412090), (44, 706045), (55, 564836), (110, 282418), (220, 141209)]