51505720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{183949}}^1$

素因数の和:183967

約数の個数: 32

約数和(自身を含む): 132444000

約数和(自身を除く): 80938280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 183949, 367898, 735796, 919745, 1287643, 1471592, 1839490, 2575286, 3678980, 5150572, 6438215, 7357960, 10301144, 12876430, 25752860, 51505720]

約数ペア:

[(1, 51505720), (2, 25752860), (4, 12876430), (5, 10301144), (7, 7357960), (8, 6438215), (10, 5150572), (14, 3678980), (20, 2575286), (28, 1839490), (35, 1471592), (40, 1287643), (56, 919745), (70, 735796), (140, 367898), (280, 183949)]