65985080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{235661}}^1$

素因数の和:235679

約数の個数: 32

約数和(自身を含む): 169676640

約数和(自身を除く): 103691560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 235661, 471322, 942644, 1178305, 1649627, 1885288, 2356610, 3299254, 4713220, 6598508, 8248135, 9426440, 13197016, 16496270, 32992540, 65985080]

約数ペア:

[(1, 65985080), (2, 32992540), (4, 16496270), (5, 13197016), (7, 9426440), (8, 8248135), (10, 6598508), (14, 4713220), (20, 3299254), (28, 2356610), (35, 1885288), (40, 1649627), (56, 1178305), (70, 942644), (140, 471322), (280, 235661)]