38815660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{443}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 88242336

約数和(自身を除く): 49426676

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 337, 443, 674, 886, 1348, 1685, 1772, 2215, 3370, 4381, 4430, 5759, 6740, 8762, 8860, 11518, 17524, 21905, 23036, 28795, 43810, 57590, 87620, 115180, 149291, 298582, 597164, 746455, 1492910, 1940783, 2985820, 3881566, 7763132, 9703915, 19407830, 38815660]

約数ペア:

[(1, 38815660), (2, 19407830), (4, 9703915), (5, 7763132), (10, 3881566), (13, 2985820), (20, 1940783), (26, 1492910), (52, 746455), (65, 597164), (130, 298582), (260, 149291), (337, 115180), (443, 87620), (674, 57590), (886, 43810), (1348, 28795), (1685, 23036), (1772, 21905), (2215, 17524), (3370, 11518), (4381, 8860), (4430, 8762), (5759, 6740)]