38642860

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{19919}}^1$

素因数の和:20025

約数の個数: 24

約数和(自身を含む): 81990720

約数和(自身を除く): 43347860

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 19919, 39838, 79676, 99595, 199190, 398380, 1932143, 3864286, 7728572, 9660715, 19321430, 38642860]

約数ペア:

[(1, 38642860), (2, 19321430), (4, 9660715), (5, 7728572), (10, 3864286), (20, 1932143), (97, 398380), (194, 199190), (388, 99595), (485, 79676), (970, 39838), (1940, 19919)]