12420560

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1451}}^1$

素因数の和:1571

約数の個数: 40

約数和(自身を含む): 29167776

約数和(自身を除く): 16747216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1451, 1712, 2140, 2902, 4280, 5804, 7255, 8560, 11608, 14510, 23216, 29020, 58040, 116080, 155257, 310514, 621028, 776285, 1242056, 1552570, 2484112, 3105140, 6210280, 12420560]

約数ペア:

[(1, 12420560), (2, 6210280), (4, 3105140), (5, 2484112), (8, 1552570), (10, 1242056), (16, 776285), (20, 621028), (40, 310514), (80, 155257), (107, 116080), (214, 58040), (428, 29020), (535, 23216), (856, 14510), (1070, 11608), (1451, 8560), (1712, 7255), (2140, 5804), (2902, 4280)]