210403840

素因数分解:

$2^9\times 5^1\times {\mathrm{82189}}^1$

素因数の和:82212

約数の個数: 40

約数和(自身を含む): 504482220

約数和(自身を除く): 294078380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 82189, 164378, 328756, 410945, 657512, 821890, 1315024, 1643780, 2630048, 3287560, 5260096, 6575120, 10520192, 13150240, 21040384, 26300480, 42080768, 52600960, 105201920, 210403840]

約数ペア:

[(1, 210403840), (2, 105201920), (4, 52600960), (5, 42080768), (8, 26300480), (10, 21040384), (16, 13150240), (20, 10520192), (32, 6575120), (40, 5260096), (64, 3287560), (80, 2630048), (128, 1643780), (160, 1315024), (256, 821890), (320, 657512), (512, 410945), (640, 328756), (1280, 164378), (2560, 82189)]