120487940

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{13723}}^1$

素因数の和:14171

約数の個数: 24

約数和(自身を含む): 253619520

約数和(自身を除く): 133131580

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 8780, 13723, 27446, 54892, 68615, 137230, 274460, 6024397, 12048794, 24097588, 30121985, 60243970, 120487940]

約数ペア:

[(1, 120487940), (2, 60243970), (4, 30121985), (5, 24097588), (10, 12048794), (20, 6024397), (439, 274460), (878, 137230), (1756, 68615), (2195, 54892), (4390, 27446), (8780, 13723)]