39231440

素因数分解:

$2^4\times 5^1\times {\mathrm{490393}}^1$

素因数の和:490406

約数の個数: 20

約数和(自身を含む): 91213284

約数和(自身を除く): 51981844

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 490393, 980786, 1961572, 2451965, 3923144, 4903930, 7846288, 9807860, 19615720, 39231440]

約数ペア:

[(1, 39231440), (2, 19615720), (4, 9807860), (5, 7846288), (8, 4903930), (10, 3923144), (16, 2451965), (20, 1961572), (40, 980786), (80, 490393)]