16921600

素因数分解:

$2^{10}\times 5^2\times {\mathrm{661}}^1$

素因数の和:691

約数の個数: 66

約数和(自身を含む): 42008534

約数和(自身を除く): 25086934

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 661, 800, 1024, 1280, 1322, 1600, 2560, 2644, 3200, 3305, 5120, 5288, 6400, 6610, 10576, 12800, 13220, 16525, 21152, 25600, 26440, 33050, 42304, 52880, 66100, 84608, 105760, 132200, 169216, 211520, 264400, 338432, 423040, 528800, 676864, 846080, 1057600, 1692160, 2115200, 3384320, 4230400, 8460800, 16921600]

約数ペア:

[(1, 16921600), (2, 8460800), (4, 4230400), (5, 3384320), (8, 2115200), (10, 1692160), (16, 1057600), (20, 846080), (25, 676864), (32, 528800), (40, 423040), (50, 338432), (64, 264400), (80, 211520), (100, 169216), (128, 132200), (160, 105760), (200, 84608), (256, 66100), (320, 52880), (400, 42304), (512, 33050), (640, 26440), (661, 25600), (800, 21152), (1024, 16525), (1280, 13220), (1322, 12800), (1600, 10576), (2560, 6610), (2644, 6400), (3200, 5288), (3305, 5120)]