31361140

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{4493}}^1$

素因数の和:4851

約数の個数: 24

約数和(自身を含む): 66061800

約数和(自身を除く): 34700660

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 4493, 6980, 8986, 17972, 22465, 44930, 89860, 1568057, 3136114, 6272228, 7840285, 15680570, 31361140]

約数ペア:

[(1, 31361140), (2, 15680570), (4, 7840285), (5, 6272228), (10, 3136114), (20, 1568057), (349, 89860), (698, 44930), (1396, 22465), (1745, 17972), (3490, 8986), (4493, 6980)]