4012460

素因数分解:

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

素因数の和:905

約数の個数: 24

約数和(自身を含む): 8463840

約数和(自身を除く): 4451380

約数列:

[1, 2, 4, 5, 10, 20, 439, 457, 878, 914, 1756, 1828, 2195, 2285, 4390, 4570, 8780, 9140, 200623, 401246, 802492, 1003115, 2006230, 4012460]

約数ペア:

[(1, 4012460), (2, 2006230), (4, 1003115), (5, 802492), (10, 401246), (20, 200623), (439, 9140), (457, 8780), (878, 4570), (914, 4390), (1756, 2285), (1828, 2195)]