16942040

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4759}}^1$

素因数の和:4859

約数の個数: 32

約数和(自身を含む): 38556000

約数和(自身を除く): 21613960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 4759, 9518, 19036, 23795, 38072, 47590, 95180, 190360, 423551, 847102, 1694204, 2117755, 3388408, 4235510, 8471020, 16942040]

約数ペア:

[(1, 16942040), (2, 8471020), (4, 4235510), (5, 3388408), (8, 2117755), (10, 1694204), (20, 847102), (40, 423551), (89, 190360), (178, 95180), (356, 47590), (445, 38072), (712, 23795), (890, 19036), (1780, 9518), (3560, 4759)]