2560180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{18287}}^1$

素因数の和:18303

約数の個数: 24

約数和(自身を含む): 6144768

約数和(自身を除く): 3584588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 18287, 36574, 73148, 91435, 128009, 182870, 256018, 365740, 512036, 640045, 1280090, 2560180]

約数ペア:

[(1, 2560180), (2, 1280090), (4, 640045), (5, 512036), (7, 365740), (10, 256018), (14, 182870), (20, 128009), (28, 91435), (35, 73148), (70, 36574), (140, 18287)]