68207080

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{10861}}^1$

素因数の和:11029

約数の個数: 32

約数和(自身を含む): 154457640

約数和(自身を除く): 86250560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 10861, 21722, 43444, 54305, 86888, 108610, 217220, 434440, 1705177, 3410354, 6820708, 8525885, 13641416, 17051770, 34103540, 68207080]

約数ペア:

[(1, 68207080), (2, 34103540), (4, 17051770), (5, 13641416), (8, 8525885), (10, 6820708), (20, 3410354), (40, 1705177), (157, 434440), (314, 217220), (628, 108610), (785, 86888), (1256, 54305), (1570, 43444), (3140, 21722), (6280, 10861)]