8938040

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{509}}^1$

素因数の和:959

約数の個数: 32

約数和(自身を含む): 20196000

約数和(自身を除く): 11257960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 509, 878, 1018, 1756, 2036, 2195, 2545, 3512, 4072, 4390, 5090, 8780, 10180, 17560, 20360, 223451, 446902, 893804, 1117255, 1787608, 2234510, 4469020, 8938040]

約数ペア:

[(1, 8938040), (2, 4469020), (4, 2234510), (5, 1787608), (8, 1117255), (10, 893804), (20, 446902), (40, 223451), (439, 20360), (509, 17560), (878, 10180), (1018, 8780), (1756, 5090), (2036, 4390), (2195, 4072), (2545, 3512)]