39768140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{457}}^1$

素因数の和:714

約数の個数: 48

約数和(自身を含む): 88485600

約数和(自身を除く): 48717460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 229, 380, 457, 458, 914, 916, 1145, 1828, 2285, 2290, 4351, 4570, 4580, 8683, 8702, 9140, 17366, 17404, 21755, 34732, 43415, 43510, 86830, 87020, 104653, 173660, 209306, 418612, 523265, 1046530, 1988407, 2093060, 3976814, 7953628, 9942035, 19884070, 39768140]

約数ペア:

[(1, 39768140), (2, 19884070), (4, 9942035), (5, 7953628), (10, 3976814), (19, 2093060), (20, 1988407), (38, 1046530), (76, 523265), (95, 418612), (190, 209306), (229, 173660), (380, 104653), (457, 87020), (458, 86830), (914, 43510), (916, 43415), (1145, 34732), (1828, 21755), (2285, 17404), (2290, 17366), (4351, 9140), (4570, 8702), (4580, 8683)]