38742020

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{9833}}^1$

素因数の和:10039

約数の個数: 24

約数和(自身を含む): 81779544

約数和(自身を除く): 43037524

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 9833, 19666, 39332, 49165, 98330, 196660, 1937101, 3874202, 7748404, 9685505, 19371010, 38742020]

約数ペア:

[(1, 38742020), (2, 19371010), (4, 9685505), (5, 7748404), (10, 3874202), (20, 1937101), (197, 196660), (394, 98330), (788, 49165), (985, 39332), (1970, 19666), (3940, 9833)]