128796160

素因数分解:

$2^9\times 5^1\times {\mathrm{50311}}^1$

素因数の和:50334

約数の個数: 40

約数和(自身を含む): 308815056

約数和(自身を除く): 180018896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 50311, 100622, 201244, 251555, 402488, 503110, 804976, 1006220, 1609952, 2012440, 3219904, 4024880, 6439808, 8049760, 12879616, 16099520, 25759232, 32199040, 64398080, 128796160]

約数ペア:

[(1, 128796160), (2, 64398080), (4, 32199040), (5, 25759232), (8, 16099520), (10, 12879616), (16, 8049760), (20, 6439808), (32, 4024880), (40, 3219904), (64, 2012440), (80, 1609952), (128, 1006220), (160, 804976), (256, 503110), (320, 402488), (512, 251555), (640, 201244), (1280, 100622), (2560, 50311)]