71175680

素因数分解:

$2^9\times 5^1\times {\mathrm{27803}}^1$

素因数の和:27826

約数の個数: 40

約数和(自身を含む): 170660952

約数和(自身を除く): 99485272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 27803, 55606, 111212, 139015, 222424, 278030, 444848, 556060, 889696, 1112120, 1779392, 2224240, 3558784, 4448480, 7117568, 8896960, 14235136, 17793920, 35587840, 71175680]

約数ペア:

[(1, 71175680), (2, 35587840), (4, 17793920), (5, 14235136), (8, 8896960), (10, 7117568), (16, 4448480), (20, 3558784), (32, 2224240), (40, 1779392), (64, 1112120), (80, 889696), (128, 556060), (160, 444848), (256, 278030), (320, 222424), (512, 139015), (640, 111212), (1280, 55606), (2560, 27803)]