38440140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{640669}}^1$

素因数の和:640681

約数の個数: 24

約数和(自身を含む): 107632560

約数和(自身を除く): 69192420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 640669, 1281338, 1922007, 2562676, 3203345, 3844014, 6406690, 7688028, 9610035, 12813380, 19220070, 38440140]

約数ペア:

[(1, 38440140), (2, 19220070), (3, 12813380), (4, 9610035), (5, 7688028), (6, 6406690), (10, 3844014), (12, 3203345), (15, 2562676), (20, 1922007), (30, 1281338), (60, 640669)]