42768340

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{4391}}^1$

素因数の和:4887

約数の個数: 24

約数和(自身を含む): 90018432

約数和(自身を除く): 47250092

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4391, 4870, 8782, 9740, 17564, 21955, 43910, 87820, 2138417, 4276834, 8553668, 10692085, 21384170, 42768340]

約数ペア:

[(1, 42768340), (2, 21384170), (4, 10692085), (5, 8553668), (10, 4276834), (20, 2138417), (487, 87820), (974, 43910), (1948, 21955), (2435, 17564), (4391, 9740), (4870, 8782)]