12551560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1949}}^1$

素因数の和:1990

約数の個数: 64

約数和(自身を含む): 33696000

約数和(自身を除く): 21144440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 1949, 3220, 3898, 6440, 7796, 9745, 13643, 15592, 19490, 27286, 38980, 44827, 54572, 68215, 77960, 89654, 109144, 136430, 179308, 224135, 272860, 313789, 358616, 448270, 545720, 627578, 896540, 1255156, 1568945, 1793080, 2510312, 3137890, 6275780, 12551560]

約数ペア:

[(1, 12551560), (2, 6275780), (4, 3137890), (5, 2510312), (7, 1793080), (8, 1568945), (10, 1255156), (14, 896540), (20, 627578), (23, 545720), (28, 448270), (35, 358616), (40, 313789), (46, 272860), (56, 224135), (70, 179308), (92, 136430), (115, 109144), (140, 89654), (161, 77960), (184, 68215), (230, 54572), (280, 44827), (322, 38980), (460, 27286), (644, 19490), (805, 15592), (920, 13643), (1288, 9745), (1610, 7796), (1949, 6440), (3220, 3898)]