12171440

素因数分解:

$2^4\times 5^1\times {\mathrm{353}}^1\times {\mathrm{431}}^1$

素因数の和:797

約数の個数: 40

約数和(自身を含む): 28444608

約数和(自身を除く): 16273168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353, 431, 706, 862, 1412, 1724, 1765, 2155, 2824, 3448, 3530, 4310, 5648, 6896, 7060, 8620, 14120, 17240, 28240, 34480, 152143, 304286, 608572, 760715, 1217144, 1521430, 2434288, 3042860, 6085720, 12171440]

約数ペア:

[(1, 12171440), (2, 6085720), (4, 3042860), (5, 2434288), (8, 1521430), (10, 1217144), (16, 760715), (20, 608572), (40, 304286), (80, 152143), (353, 34480), (431, 28240), (706, 17240), (862, 14120), (1412, 8620), (1724, 7060), (1765, 6896), (2155, 5648), (2824, 4310), (3448, 3530)]