25521440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{22787}}^1$

素因数の和:22809

約数の個数: 48

約数和(自身を含む): 68910912

約数和(自身を除く): 43389472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 22787, 45574, 91148, 113935, 159509, 182296, 227870, 319018, 364592, 455740, 638036, 729184, 797545, 911480, 1276072, 1595090, 1822960, 2552144, 3190180, 3645920, 5104288, 6380360, 12760720, 25521440]

約数ペア:

[(1, 25521440), (2, 12760720), (4, 6380360), (5, 5104288), (7, 3645920), (8, 3190180), (10, 2552144), (14, 1822960), (16, 1595090), (20, 1276072), (28, 911480), (32, 797545), (35, 729184), (40, 638036), (56, 455740), (70, 364592), (80, 319018), (112, 227870), (140, 182296), (160, 159509), (224, 113935), (280, 91148), (560, 45574), (1120, 22787)]