320425760

素因数分解:

$2^5\times 5^1\times {\mathrm{2002661}}^1$

素因数の和:2002676

約数の個数: 24

約数和(自身を含む): 757006236

約数和(自身を除く): 436580476

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2002661, 4005322, 8010644, 10013305, 16021288, 20026610, 32042576, 40053220, 64085152, 80106440, 160212880, 320425760]

約数ペア:

[(1, 320425760), (2, 160212880), (4, 80106440), (5, 64085152), (8, 40053220), (10, 32042576), (16, 20026610), (20, 16021288), (32, 10013305), (40, 8010644), (80, 4005322), (160, 2002661)]