2007680

素因数分解:

$2^7\times 5^1\times {\mathrm{3137}}^1$

素因数の和:3156

約数の個数: 32

約数和(自身を含む): 4801140

約数和(自身を除く): 2793460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 3137, 6274, 12548, 15685, 25096, 31370, 50192, 62740, 100384, 125480, 200768, 250960, 401536, 501920, 1003840, 2007680]

約数ペア:

[(1, 2007680), (2, 1003840), (4, 501920), (5, 401536), (8, 250960), (10, 200768), (16, 125480), (20, 100384), (32, 62740), (40, 50192), (64, 31370), (80, 25096), (128, 15685), (160, 12548), (320, 6274), (640, 3137)]