12493940

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1423}}^1$

素因数の和:1871

約数の個数: 24

約数和(自身を含む): 26315520

約数和(自身を除く): 13821580

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1423, 1756, 2195, 2846, 4390, 5692, 7115, 8780, 14230, 28460, 624697, 1249394, 2498788, 3123485, 6246970, 12493940]

約数ペア:

[(1, 12493940), (2, 6246970), (4, 3123485), (5, 2498788), (10, 1249394), (20, 624697), (439, 28460), (878, 14230), (1423, 8780), (1756, 7115), (2195, 5692), (2846, 4390)]