24987880

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1423}}^1$

素因数の和:1873

約数の個数: 32

約数和(自身を含む): 56390400

約数和(自身を除く): 31402520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 1423, 1756, 2195, 2846, 3512, 4390, 5692, 7115, 8780, 11384, 14230, 17560, 28460, 56920, 624697, 1249394, 2498788, 3123485, 4997576, 6246970, 12493940, 24987880]

約数ペア:

[(1, 24987880), (2, 12493940), (4, 6246970), (5, 4997576), (8, 3123485), (10, 2498788), (20, 1249394), (40, 624697), (439, 56920), (878, 28460), (1423, 17560), (1756, 14230), (2195, 11384), (2846, 8780), (3512, 7115), (4390, 5692)]