165280

素因数分解:

$2^5\times 5^1\times {\mathrm{1033}}^1$

素因数の和:1048

約数の個数: 24

約数和(自身を含む): 390852

約数和(自身を除く): 225572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1033, 2066, 4132, 5165, 8264, 10330, 16528, 20660, 33056, 41320, 82640, 165280]

約数ペア:

[(1, 165280), (2, 82640), (4, 41320), (5, 33056), (8, 20660), (10, 16528), (16, 10330), (20, 8264), (32, 5165), (40, 4132), (80, 2066), (160, 1033)]