201719971520

素因数分解:

$2^6\times 5^1\times {\mathrm{630374911}}^1$

素因数の和:630374928

約数の個数: 28

約数和(自身を含む): 480345682944

約数和(自身を除く): 278625711424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 630374911, 1260749822, 2521499644, 3151874555, 5042999288, 6303749110, 10085998576, 12607498220, 20171997152, 25214996440, 40343994304, 50429992880, 100859985760, 201719971520]

約数ペア:

[(1, 201719971520), (2, 100859985760), (4, 50429992880), (5, 40343994304), (8, 25214996440), (10, 20171997152), (16, 12607498220), (20, 10085998576), (32, 6303749110), (40, 5042999288), (64, 3151874555), (80, 2521499644), (160, 1260749822), (320, 630374911)]