2012560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2287}}^1$

素因数の和:2311

約数の個数: 40

約数和(自身を含む): 5106816

約数和(自身を除く): 3094256

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2287, 4574, 9148, 11435, 18296, 22870, 25157, 36592, 45740, 50314, 91480, 100628, 125785, 182960, 201256, 251570, 402512, 503140, 1006280, 2012560]

約数ペア:

[(1, 2012560), (2, 1006280), (4, 503140), (5, 402512), (8, 251570), (10, 201256), (11, 182960), (16, 125785), (20, 100628), (22, 91480), (40, 50314), (44, 45740), (55, 36592), (80, 25157), (88, 22870), (110, 18296), (176, 11435), (220, 9148), (440, 4574), (880, 2287)]