87169820

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{12347}}^1$

素因数の和:12709

約数の個数: 24

約数和(自身を含む): 183590064

約数和(自身を除く): 96420244

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 3530, 7060, 12347, 24694, 49388, 61735, 123470, 246940, 4358491, 8716982, 17433964, 21792455, 43584910, 87169820]

約数ペア:

[(1, 87169820), (2, 43584910), (4, 21792455), (5, 17433964), (10, 8716982), (20, 4358491), (353, 246940), (706, 123470), (1412, 61735), (1765, 49388), (3530, 24694), (7060, 12347)]