90163660

素因数分解:

$2^2\times 5^1\times {\mathrm{1063}}^1\times {\mathrm{4241}}^1$

素因数の和:5313

約数の個数: 24

約数和(自身を含む): 189566496

約数和(自身を除く): 99402836

約数列:

[1, 2, 4, 5, 10, 20, 1063, 2126, 4241, 4252, 5315, 8482, 10630, 16964, 21205, 21260, 42410, 84820, 4508183, 9016366, 18032732, 22540915, 45081830, 90163660]

約数ペア:

[(1, 90163660), (2, 45081830), (4, 22540915), (5, 18032732), (10, 9016366), (20, 4508183), (1063, 84820), (2126, 42410), (4241, 21260), (4252, 21205), (5315, 16964), (8482, 10630)]