30731290

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{23459}}^1$

素因数の和:23597

約数の個数: 16

約数和(自身を含む): 55740960

約数和(自身を除く): 25009670

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 23459, 46918, 117295, 234590, 3073129, 6146258, 15365645, 30731290]

約数ペア:

[(1, 30731290), (2, 15365645), (5, 6146258), (10, 3073129), (131, 234590), (262, 117295), (655, 46918), (1310, 23459)]