27977780

素因数分解:

$2^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{3691}}^1$

素因数の和:4079

約数の個数: 24

約数和(自身を含む): 58924320

約数和(自身を除く): 30946540

約数列:

[1, 2, 4, 5, 10, 20, 379, 758, 1516, 1895, 3691, 3790, 7382, 7580, 14764, 18455, 36910, 73820, 1398889, 2797778, 5595556, 6994445, 13988890, 27977780]

約数ペア:

[(1, 27977780), (2, 13988890), (4, 6994445), (5, 5595556), (10, 2797778), (20, 1398889), (379, 73820), (758, 36910), (1516, 18455), (1895, 14764), (3691, 7580), (3790, 7382)]