71216000

素因数分解:

$2^7\times 5^3\times {\mathrm{4451}}^1$

素因数の和:4480

約数の個数: 64

約数和(自身を含む): 177100560

約数和(自身を除く): 105884560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 640, 800, 1000, 1600, 2000, 3200, 4000, 4451, 8000, 8902, 16000, 17804, 22255, 35608, 44510, 71216, 89020, 111275, 142432, 178040, 222550, 284864, 356080, 445100, 556375, 569728, 712160, 890200, 1112750, 1424320, 1780400, 2225500, 2848640, 3560800, 4451000, 7121600, 8902000, 14243200, 17804000, 35608000, 71216000]

約数ペア:

[(1, 71216000), (2, 35608000), (4, 17804000), (5, 14243200), (8, 8902000), (10, 7121600), (16, 4451000), (20, 3560800), (25, 2848640), (32, 2225500), (40, 1780400), (50, 1424320), (64, 1112750), (80, 890200), (100, 712160), (125, 569728), (128, 556375), (160, 445100), (200, 356080), (250, 284864), (320, 222550), (400, 178040), (500, 142432), (640, 111275), (800, 89020), (1000, 71216), (1600, 44510), (2000, 35608), (3200, 22255), (4000, 17804), (4451, 16000), (8000, 8902)]