38941520

素因数分解:

$2^4\times 5^1\times {\mathrm{486769}}^1$

素因数の和:486782

約数の個数: 20

約数和(自身を含む): 90539220

約数和(自身を除く): 51597700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 486769, 973538, 1947076, 2433845, 3894152, 4867690, 7788304, 9735380, 19470760, 38941520]

約数ペア:

[(1, 38941520), (2, 19470760), (4, 9735380), (5, 7788304), (8, 4867690), (10, 3894152), (16, 2433845), (20, 1947076), (40, 973538), (80, 486769)]