8020720

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{937}}^1$

素因数の和:1057

約数の個数: 40

約数和(自身を含む): 18842544

約数和(自身を除く): 10821824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 937, 1070, 1712, 1874, 2140, 3748, 4280, 4685, 7496, 8560, 9370, 14992, 18740, 37480, 74960, 100259, 200518, 401036, 501295, 802072, 1002590, 1604144, 2005180, 4010360, 8020720]

約数ペア:

[(1, 8020720), (2, 4010360), (4, 2005180), (5, 1604144), (8, 1002590), (10, 802072), (16, 501295), (20, 401036), (40, 200518), (80, 100259), (107, 74960), (214, 37480), (428, 18740), (535, 14992), (856, 9370), (937, 8560), (1070, 7496), (1712, 4685), (1874, 4280), (2140, 3748)]