660320

素因数分解:

$2^5\times 5^1\times {\mathrm{4127}}^1$

素因数の和:4142

約数の個数: 24

約数和(自身を含む): 1560384

約数和(自身を除く): 900064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 4127, 8254, 16508, 20635, 33016, 41270, 66032, 82540, 132064, 165080, 330160, 660320]

約数ペア:

[(1, 660320), (2, 330160), (4, 165080), (5, 132064), (8, 82540), (10, 66032), (16, 41270), (20, 33016), (32, 20635), (40, 16508), (80, 8254), (160, 4127)]