13946980

素因数分解:

$2^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1289}}^1$

素因数の和:1839

約数の個数: 24

約数和(自身を含む): 29365560

約数和(自身を除く): 15418580

約数列:

[1, 2, 4, 5, 10, 20, 541, 1082, 1289, 2164, 2578, 2705, 5156, 5410, 6445, 10820, 12890, 25780, 697349, 1394698, 2789396, 3486745, 6973490, 13946980]

約数ペア:

[(1, 13946980), (2, 6973490), (4, 3486745), (5, 2789396), (10, 1394698), (20, 697349), (541, 25780), (1082, 12890), (1289, 10820), (2164, 6445), (2578, 5410), (2705, 5156)]