56753920

素因数分解:

$2^8\times 5^1\times {\mathrm{101}}^1\times {\mathrm{439}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 137602080

約数和(自身を除く): 80848160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 256, 320, 404, 439, 505, 640, 808, 878, 1010, 1280, 1616, 1756, 2020, 2195, 3232, 3512, 4040, 4390, 6464, 7024, 8080, 8780, 12928, 14048, 16160, 17560, 25856, 28096, 32320, 35120, 44339, 56192, 64640, 70240, 88678, 112384, 129280, 140480, 177356, 221695, 280960, 354712, 443390, 561920, 709424, 886780, 1418848, 1773560, 2837696, 3547120, 5675392, 7094240, 11350784, 14188480, 28376960, 56753920]

約数ペア:

[(1, 56753920), (2, 28376960), (4, 14188480), (5, 11350784), (8, 7094240), (10, 5675392), (16, 3547120), (20, 2837696), (32, 1773560), (40, 1418848), (64, 886780), (80, 709424), (101, 561920), (128, 443390), (160, 354712), (202, 280960), (256, 221695), (320, 177356), (404, 140480), (439, 129280), (505, 112384), (640, 88678), (808, 70240), (878, 64640), (1010, 56192), (1280, 44339), (1616, 35120), (1756, 32320), (2020, 28096), (2195, 25856), (3232, 17560), (3512, 16160), (4040, 14048), (4390, 12928), (6464, 8780), (7024, 8080)]