12944931440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23115949}}^1$

素因数の和:23115969

約数の個数: 40

約数和(自身を含む): 34396533600

約数和(自身を除く): 21451602160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 23115949, 46231898, 92463796, 115579745, 161811643, 184927592, 231159490, 323623286, 369855184, 462318980, 647246572, 809058215, 924637960, 1294493144, 1618116430, 1849275920, 2588986288, 3236232860, 6472465720, 12944931440]

約数ペア:

[(1, 12944931440), (2, 6472465720), (4, 3236232860), (5, 2588986288), (7, 1849275920), (8, 1618116430), (10, 1294493144), (14, 924637960), (16, 809058215), (20, 647246572), (28, 462318980), (35, 369855184), (40, 323623286), (56, 231159490), (70, 184927592), (80, 161811643), (112, 115579745), (140, 92463796), (280, 46231898), (560, 23115949)]