12637640

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1637}}^1$

素因数の和:1841

約数の個数: 32

約数和(自身を含む): 28599480

約数和(自身を除く): 15961840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1637, 1930, 3274, 3860, 6548, 7720, 8185, 13096, 16370, 32740, 65480, 315941, 631882, 1263764, 1579705, 2527528, 3159410, 6318820, 12637640]

約数ペア:

[(1, 12637640), (2, 6318820), (4, 3159410), (5, 2527528), (8, 1579705), (10, 1263764), (20, 631882), (40, 315941), (193, 65480), (386, 32740), (772, 16370), (965, 13096), (1544, 8185), (1637, 7720), (1930, 6548), (3274, 3860)]