8160520

素因数分解:

$2^3\times 5^1\times {\mathrm{204013}}^1$

素因数の和:204024

約数の個数: 16

約数和(自身を含む): 18361260

約数和(自身を除く): 10200740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 204013, 408026, 816052, 1020065, 1632104, 2040130, 4080260, 8160520]

約数ペア:

[(1, 8160520), (2, 4080260), (4, 2040130), (5, 1632104), (8, 1020065), (10, 816052), (20, 408026), (40, 204013)]