31331440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{55949}}^1$

素因数の和:55969

約数の個数: 40

約数和(自身を含む): 83253600

約数和(自身を除く): 51922160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 55949, 111898, 223796, 279745, 391643, 447592, 559490, 783286, 895184, 1118980, 1566572, 1958215, 2237960, 3133144, 3916430, 4475920, 6266288, 7832860, 15665720, 31331440]

約数ペア:

[(1, 31331440), (2, 15665720), (4, 7832860), (5, 6266288), (7, 4475920), (8, 3916430), (10, 3133144), (14, 2237960), (16, 1958215), (20, 1566572), (28, 1118980), (35, 895184), (40, 783286), (56, 559490), (70, 447592), (80, 391643), (112, 279745), (140, 223796), (280, 111898), (560, 55949)]