180160520

素因数分解:

$2^3\times 5^1\times {\mathrm{4504013}}^1$

素因数の和:4504024

約数の個数: 16

約数和(自身を含む): 405361260

約数和(自身を除く): 225200740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4504013, 9008026, 18016052, 22520065, 36032104, 45040130, 90080260, 180160520]

約数ペア:

[(1, 180160520), (2, 90080260), (4, 45040130), (5, 36032104), (8, 22520065), (10, 18016052), (20, 9008026), (40, 4504013)]