13388780

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2801}}^1$

素因数の和:3049

約数の個数: 24

約数和(自身を含む): 28244160

約数和(自身を除く): 14855380

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 2801, 4780, 5602, 11204, 14005, 28010, 56020, 669439, 1338878, 2677756, 3347195, 6694390, 13388780]

約数ペア:

[(1, 13388780), (2, 6694390), (4, 3347195), (5, 2677756), (10, 1338878), (20, 669439), (239, 56020), (478, 28010), (956, 14005), (1195, 11204), (2390, 5602), (2801, 4780)]