640053008

素因数分解:

$2^4\times 7^1\times {\mathrm{5714759}}^1$

素因数の和:5714774

約数の個数: 20

約数和(自身を含む): 1417260480

約数和(自身を除く): 777207472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 5714759, 11429518, 22859036, 40003313, 45718072, 80006626, 91436144, 160013252, 320026504, 640053008]

約数ペア:

[(1, 640053008), (2, 320026504), (4, 160013252), (7, 91436144), (8, 80006626), (14, 45718072), (16, 40003313), (28, 22859036), (56, 11429518), (112, 5714759)]