1640609860

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{232381}}^1$

素因数の和:232743

約数の個数: 24

約数和(自身を含む): 3455055576

約数和(自身を除く): 1814445716

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 3530, 7060, 232381, 464762, 929524, 1161905, 2323810, 4647620, 82030493, 164060986, 328121972, 410152465, 820304930, 1640609860]

約数ペア:

[(1, 1640609860), (2, 820304930), (4, 410152465), (5, 328121972), (10, 164060986), (20, 82030493), (353, 4647620), (706, 2323810), (1412, 1161905), (1765, 929524), (3530, 464762), (7060, 232381)]