28003840

素因数分解:

$2^9\times 5^1\times {\mathrm{10939}}^1$

素因数の和:10962

約数の個数: 40

約数和(自身を含む): 67149720

約数和(自身を除く): 39145880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 10939, 21878, 43756, 54695, 87512, 109390, 175024, 218780, 350048, 437560, 700096, 875120, 1400192, 1750240, 2800384, 3500480, 5600768, 7000960, 14001920, 28003840]

約数ペア:

[(1, 28003840), (2, 14001920), (4, 7000960), (5, 5600768), (8, 3500480), (10, 2800384), (16, 1750240), (20, 1400192), (32, 875120), (40, 700096), (64, 437560), (80, 350048), (128, 218780), (160, 175024), (256, 109390), (320, 87512), (512, 54695), (640, 43756), (1280, 21878), (2560, 10939)]