6768640

素因数分解:

$2^{11}\times 5^1\times {\mathrm{661}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 16265340

約数和(自身を除く): 9496700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 661, 1024, 1280, 1322, 2048, 2560, 2644, 3305, 5120, 5288, 6610, 10240, 10576, 13220, 21152, 26440, 42304, 52880, 84608, 105760, 169216, 211520, 338432, 423040, 676864, 846080, 1353728, 1692160, 3384320, 6768640]

約数ペア:

[(1, 6768640), (2, 3384320), (4, 1692160), (5, 1353728), (8, 846080), (10, 676864), (16, 423040), (20, 338432), (32, 211520), (40, 169216), (64, 105760), (80, 84608), (128, 52880), (160, 42304), (256, 26440), (320, 21152), (512, 13220), (640, 10576), (661, 10240), (1024, 6610), (1280, 5288), (1322, 5120), (2048, 3305), (2560, 2644)]