68664320

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13411}}^1$

素因数の和:13436

約数の個数: 44

約数和(自身を含む): 164726184

約数和(自身を除く): 96061864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 13411, 26822, 53644, 67055, 107288, 134110, 214576, 268220, 429152, 536440, 858304, 1072880, 1716608, 2145760, 3433216, 4291520, 6866432, 8583040, 13732864, 17166080, 34332160, 68664320]

約数ペア:

[(1, 68664320), (2, 34332160), (4, 17166080), (5, 13732864), (8, 8583040), (10, 6866432), (16, 4291520), (20, 3433216), (32, 2145760), (40, 1716608), (64, 1072880), (80, 858304), (128, 536440), (160, 429152), (256, 268220), (320, 214576), (512, 134110), (640, 107288), (1024, 67055), (1280, 53644), (2560, 26822), (5120, 13411)]