66318040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{38557}}^1$

素因数の和:38611

約数の個数: 32

約数和(自身を含む): 152689680

約数和(自身を除く): 86371640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 38557, 77114, 154228, 192785, 308456, 385570, 771140, 1542280, 1657951, 3315902, 6631804, 8289755, 13263608, 16579510, 33159020, 66318040]

約数ペア:

[(1, 66318040), (2, 33159020), (4, 16579510), (5, 13263608), (8, 8289755), (10, 6631804), (20, 3315902), (40, 1657951), (43, 1542280), (86, 771140), (172, 385570), (215, 308456), (344, 192785), (430, 154228), (860, 77114), (1720, 38557)]