12569600

素因数分解:

$2^{10}\times 5^2\times {\mathrm{491}}^1$

素因数の和:521

約数の個数: 66

約数和(自身を含む): 31220844

約数和(自身を除く): 18651244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 491, 512, 640, 800, 982, 1024, 1280, 1600, 1964, 2455, 2560, 3200, 3928, 4910, 5120, 6400, 7856, 9820, 12275, 12800, 15712, 19640, 24550, 25600, 31424, 39280, 49100, 62848, 78560, 98200, 125696, 157120, 196400, 251392, 314240, 392800, 502784, 628480, 785600, 1256960, 1571200, 2513920, 3142400, 6284800, 12569600]

約数ペア:

[(1, 12569600), (2, 6284800), (4, 3142400), (5, 2513920), (8, 1571200), (10, 1256960), (16, 785600), (20, 628480), (25, 502784), (32, 392800), (40, 314240), (50, 251392), (64, 196400), (80, 157120), (100, 125696), (128, 98200), (160, 78560), (200, 62848), (256, 49100), (320, 39280), (400, 31424), (491, 25600), (512, 24550), (640, 19640), (800, 15712), (982, 12800), (1024, 12275), (1280, 9820), (1600, 7856), (1964, 6400), (2455, 5120), (2560, 4910), (3200, 3928)]