40081520

素因数分解:

$2^4\times 5^1\times {\mathrm{501019}}^1$

素因数の和:501032

約数の個数: 20

約数和(自身を含む): 93189720

約数和(自身を除く): 53108200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 501019, 1002038, 2004076, 2505095, 4008152, 5010190, 8016304, 10020380, 20040760, 40081520]

約数ペア:

[(1, 40081520), (2, 20040760), (4, 10020380), (5, 8016304), (8, 5010190), (10, 4008152), (16, 2505095), (20, 2004076), (40, 1002038), (80, 501019)]