25565660

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{15401}}^1$

素因数の和:15493

約数の個数: 24

約数和(自身を含む): 54338256

約数和(自身を除く): 28772596

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 15401, 30802, 61604, 77005, 154010, 308020, 1278283, 2556566, 5113132, 6391415, 12782830, 25565660]

約数ペア:

[(1, 25565660), (2, 12782830), (4, 6391415), (5, 5113132), (10, 2556566), (20, 1278283), (83, 308020), (166, 154010), (332, 77005), (415, 61604), (830, 30802), (1660, 15401)]