68208640

素因数分解:

$2^{11}\times 5^1\times {\mathrm{6661}}^1$

素因数の和:6688

約数の個数: 48

約数和(自身を含む): 163685340

約数和(自身を除く): 95476700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 6661, 10240, 13322, 26644, 33305, 53288, 66610, 106576, 133220, 213152, 266440, 426304, 532880, 852608, 1065760, 1705216, 2131520, 3410432, 4263040, 6820864, 8526080, 13641728, 17052160, 34104320, 68208640]

約数ペア:

[(1, 68208640), (2, 34104320), (4, 17052160), (5, 13641728), (8, 8526080), (10, 6820864), (16, 4263040), (20, 3410432), (32, 2131520), (40, 1705216), (64, 1065760), (80, 852608), (128, 532880), (160, 426304), (256, 266440), (320, 213152), (512, 133220), (640, 106576), (1024, 66610), (1280, 53288), (2048, 33305), (2560, 26644), (5120, 13322), (6661, 10240)]