4357040

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{509}}^1$

素因数の和:629

約数の個数: 40

約数和(自身を含む): 10244880

約数和(自身を除く): 5887840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 509, 535, 856, 1018, 1070, 1712, 2036, 2140, 2545, 4072, 4280, 5090, 8144, 8560, 10180, 20360, 40720, 54463, 108926, 217852, 272315, 435704, 544630, 871408, 1089260, 2178520, 4357040]

約数ペア:

[(1, 4357040), (2, 2178520), (4, 1089260), (5, 871408), (8, 544630), (10, 435704), (16, 272315), (20, 217852), (40, 108926), (80, 54463), (107, 40720), (214, 20360), (428, 10180), (509, 8560), (535, 8144), (856, 5090), (1018, 4280), (1070, 4072), (1712, 2545), (2036, 2140)]