523121920

素因数分解:

$2^8\times 5^1\times {\mathrm{408689}}^1$

素因数の和:408710

約数の個数: 36

約数和(自身を含む): 1253043540

約数和(自身を除く): 729921620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 408689, 817378, 1634756, 2043445, 3269512, 4086890, 6539024, 8173780, 13078048, 16347560, 26156096, 32695120, 52312192, 65390240, 104624384, 130780480, 261560960, 523121920]

約数ペア:

[(1, 523121920), (2, 261560960), (4, 130780480), (5, 104624384), (8, 65390240), (10, 52312192), (16, 32695120), (20, 26156096), (32, 16347560), (40, 13078048), (64, 8173780), (80, 6539024), (128, 4086890), (160, 3269512), (256, 2043445), (320, 1634756), (640, 817378), (1280, 408689)]