13140220

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2749}}^1$

素因数の和:2997

約数の個数: 24

約数和(自身を含む): 27720000

約数和(自身を除く): 14579780

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 2749, 4780, 5498, 10996, 13745, 27490, 54980, 657011, 1314022, 2628044, 3285055, 6570110, 13140220]

約数ペア:

[(1, 13140220), (2, 6570110), (4, 3285055), (5, 2628044), (10, 1314022), (20, 657011), (239, 54980), (478, 27490), (956, 13745), (1195, 10996), (2390, 5498), (2749, 4780)]