13278380

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6091}}^1$

素因数の和:6209

約数の個数: 24

約数和(自身を含む): 28145040

約数和(自身を除く): 14866660

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 6091, 12182, 24364, 30455, 60910, 121820, 663919, 1327838, 2655676, 3319595, 6639190, 13278380]

約数ペア:

[(1, 13278380), (2, 6639190), (4, 3319595), (5, 2655676), (10, 1327838), (20, 663919), (109, 121820), (218, 60910), (436, 30455), (545, 24364), (1090, 12182), (2180, 6091)]