20138080

素因数分解:

$2^5\times 5^1\times {\mathrm{125863}}^1$

素因数の和:125878

約数の個数: 24

約数和(自身を含む): 47576592

約数和(自身を除く): 27438512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 125863, 251726, 503452, 629315, 1006904, 1258630, 2013808, 2517260, 4027616, 5034520, 10069040, 20138080]

約数ペア:

[(1, 20138080), (2, 10069040), (4, 5034520), (5, 4027616), (8, 2517260), (10, 2013808), (16, 1258630), (20, 1006904), (32, 629315), (40, 503452), (80, 251726), (160, 125863)]