4469020

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{509}}^1$

素因数の和:957

約数の個数: 24

約数和(自身を含む): 9424800

約数和(自身を除く): 4955780

約数列:

[1, 2, 4, 5, 10, 20, 439, 509, 878, 1018, 1756, 2036, 2195, 2545, 4390, 5090, 8780, 10180, 223451, 446902, 893804, 1117255, 2234510, 4469020]

約数ペア:

[(1, 4469020), (2, 2234510), (4, 1117255), (5, 893804), (10, 446902), (20, 223451), (439, 10180), (509, 8780), (878, 5090), (1018, 4390), (1756, 2545), (2036, 2195)]