40851440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{72949}}^1$

素因数の和:72969

約数の個数: 40

約数和(自身を含む): 108549600

約数和(自身を除く): 67698160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 72949, 145898, 291796, 364745, 510643, 583592, 729490, 1021286, 1167184, 1458980, 2042572, 2553215, 2917960, 4085144, 5106430, 5835920, 8170288, 10212860, 20425720, 40851440]

約数ペア:

[(1, 40851440), (2, 20425720), (4, 10212860), (5, 8170288), (7, 5835920), (8, 5106430), (10, 4085144), (14, 2917960), (16, 2553215), (20, 2042572), (28, 1458980), (35, 1167184), (40, 1021286), (56, 729490), (70, 583592), (80, 510643), (112, 364745), (140, 291796), (280, 145898), (560, 72949)]