27297280

素因数分解:

$2^9\times 5^1\times {\mathrm{10663}}^1$

素因数の和:10686

約数の個数: 40

約数和(自身を含む): 65455632

約数和(自身を除く): 38158352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 10663, 21326, 42652, 53315, 85304, 106630, 170608, 213260, 341216, 426520, 682432, 853040, 1364864, 1706080, 2729728, 3412160, 5459456, 6824320, 13648640, 27297280]

約数ペア:

[(1, 27297280), (2, 13648640), (4, 6824320), (5, 5459456), (8, 3412160), (10, 2729728), (16, 1706080), (20, 1364864), (32, 853040), (40, 682432), (64, 426520), (80, 341216), (128, 213260), (160, 170608), (256, 106630), (320, 85304), (512, 53315), (640, 42652), (1280, 21326), (2560, 10663)]