38985820

素因数分解:

$2^2\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{1607}}^1$

素因数の和:2829

約数の個数: 24

約数和(自身を含む): 81988704

約数和(自身を除く): 43002884

約数列:

[1, 2, 4, 5, 10, 20, 1213, 1607, 2426, 3214, 4852, 6065, 6428, 8035, 12130, 16070, 24260, 32140, 1949291, 3898582, 7797164, 9746455, 19492910, 38985820]

約数ペア:

[(1, 38985820), (2, 19492910), (4, 9746455), (5, 7797164), (10, 3898582), (20, 1949291), (1213, 32140), (1607, 24260), (2426, 16070), (3214, 12130), (4852, 8035), (6065, 6428)]