28376960

素因数分解:

$2^7\times 5^1\times {\mathrm{101}}^1\times {\mathrm{439}}^1$

素因数の和:559

約数の個数: 64

約数和(自身を含む): 68666400

約数和(自身を除く): 40289440

約数列:

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

約数ペア:

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