68588440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{39877}}^1$

素因数の和:39931

約数の個数: 32

約数和(自身を含む): 157916880

約数和(自身を除く): 89328440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 39877, 79754, 159508, 199385, 319016, 398770, 797540, 1595080, 1714711, 3429422, 6858844, 8573555, 13717688, 17147110, 34294220, 68588440]

約数ペア:

[(1, 68588440), (2, 34294220), (4, 17147110), (5, 13717688), (8, 8573555), (10, 6858844), (20, 3429422), (40, 1714711), (43, 1595080), (86, 797540), (172, 398770), (215, 319016), (344, 199385), (430, 159508), (860, 79754), (1720, 39877)]