16049840

素因数分解:

$2^4\times 5^1\times {\mathrm{439}}^1\times {\mathrm{457}}^1$

素因数の和:909

約数の個数: 40

約数和(自身を含む): 37482720

約数和(自身を除く): 21432880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 439, 457, 878, 914, 1756, 1828, 2195, 2285, 3512, 3656, 4390, 4570, 7024, 7312, 8780, 9140, 17560, 18280, 35120, 36560, 200623, 401246, 802492, 1003115, 1604984, 2006230, 3209968, 4012460, 8024920, 16049840]

約数ペア:

[(1, 16049840), (2, 8024920), (4, 4012460), (5, 3209968), (8, 2006230), (10, 1604984), (16, 1003115), (20, 802492), (40, 401246), (80, 200623), (439, 36560), (457, 35120), (878, 18280), (914, 17560), (1756, 9140), (1828, 8780), (2195, 7312), (2285, 7024), (3512, 4570), (3656, 4390)]