12421480

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1609}}^1$

素因数の和:1813

約数の個数: 32

約数和(自身を含む): 28110600

約数和(自身を除く): 15689120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1609, 1930, 3218, 3860, 6436, 7720, 8045, 12872, 16090, 32180, 64360, 310537, 621074, 1242148, 1552685, 2484296, 3105370, 6210740, 12421480]

約数ペア:

[(1, 12421480), (2, 6210740), (4, 3105370), (5, 2484296), (8, 1552685), (10, 1242148), (20, 621074), (40, 310537), (193, 64360), (386, 32180), (772, 16090), (965, 12872), (1544, 8045), (1609, 7720), (1930, 6436), (3218, 3860)]