30027740

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{18089}}^1$

素因数の和:18181

約数の個数: 24

約数和(自身を含む): 63821520

約数和(自身を除く): 33793780

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 18089, 36178, 72356, 90445, 180890, 361780, 1501387, 3002774, 6005548, 7506935, 15013870, 30027740]

約数ペア:

[(1, 30027740), (2, 15013870), (4, 7506935), (5, 6005548), (10, 3002774), (20, 1501387), (83, 361780), (166, 180890), (332, 90445), (415, 72356), (830, 36178), (1660, 18089)]