16184440

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1301}}^1$

素因数の和:1623

約数の個数: 32

約数和(自身を含む): 36560160

約数和(自身を除く): 20375720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1301, 1555, 2488, 2602, 3110, 5204, 6220, 6505, 10408, 12440, 13010, 26020, 52040, 404611, 809222, 1618444, 2023055, 3236888, 4046110, 8092220, 16184440]

約数ペア:

[(1, 16184440), (2, 8092220), (4, 4046110), (5, 3236888), (8, 2023055), (10, 1618444), (20, 809222), (40, 404611), (311, 52040), (622, 26020), (1244, 13010), (1301, 12440), (1555, 10408), (2488, 6505), (2602, 6220), (3110, 5204)]