82440520

素因数分解:

$2^3\times 5^1\times {\mathrm{2061013}}^1$

素因数の和:2061024

約数の個数: 16

約数和(自身を含む): 185491260

約数和(自身を除く): 103050740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2061013, 4122026, 8244052, 10305065, 16488104, 20610130, 41220260, 82440520]

約数ペア:

[(1, 82440520), (2, 41220260), (4, 20610130), (5, 16488104), (8, 10305065), (10, 8244052), (20, 4122026), (40, 2061013)]