31263380

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{14341}}^1$

素因数の和:14459

約数の個数: 24

約数和(自身を含む): 66260040

約数和(自身を除く): 34996660

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 14341, 28682, 57364, 71705, 143410, 286820, 1563169, 3126338, 6252676, 7815845, 15631690, 31263380]

約数ペア:

[(1, 31263380), (2, 15631690), (4, 7815845), (5, 6252676), (10, 3126338), (20, 1563169), (109, 286820), (218, 143410), (436, 71705), (545, 57364), (1090, 28682), (2180, 14341)]