122647640

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{15887}}^1$

素因数の和:16091

約数の個数: 32

約数和(自身を含む): 277404480

約数和(自身を除く): 154756840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 15887, 31774, 63548, 79435, 127096, 158870, 317740, 635480, 3066191, 6132382, 12264764, 15330955, 24529528, 30661910, 61323820, 122647640]

約数ペア:

[(1, 122647640), (2, 61323820), (4, 30661910), (5, 24529528), (8, 15330955), (10, 12264764), (20, 6132382), (40, 3066191), (193, 635480), (386, 317740), (772, 158870), (965, 127096), (1544, 79435), (1930, 63548), (3860, 31774), (7720, 15887)]