201328640

素因数分解:

$2^{11}\times 5^1\times {\mathrm{19661}}^1$

素因数の和:19688

約数の個数: 48

約数和(自身を含む): 483095340

約数和(自身を除く): 281766700

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, 10240, 19661, 39322, 78644, 98305, 157288, 196610, 314576, 393220, 629152, 786440, 1258304, 1572880, 2516608, 3145760, 5033216, 6291520, 10066432, 12583040, 20132864, 25166080, 40265728, 50332160, 100664320, 201328640]

約数ペア:

[(1, 201328640), (2, 100664320), (4, 50332160), (5, 40265728), (8, 25166080), (10, 20132864), (16, 12583040), (20, 10066432), (32, 6291520), (40, 5033216), (64, 3145760), (80, 2516608), (128, 1572880), (160, 1258304), (256, 786440), (320, 629152), (512, 393220), (640, 314576), (1024, 196610), (1280, 157288), (2048, 98305), (2560, 78644), (5120, 39322), (10240, 19661)]