19610080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17509}}^1$

素因数の和:17531

約数の個数: 48

約数和(自身を含む): 52950240

約数和(自身を除く): 33340160

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, 17509, 35018, 70036, 87545, 122563, 140072, 175090, 245126, 280144, 350180, 490252, 560288, 612815, 700360, 980504, 1225630, 1400720, 1961008, 2451260, 2801440, 3922016, 4902520, 9805040, 19610080]

約数ペア:

[(1, 19610080), (2, 9805040), (4, 4902520), (5, 3922016), (7, 2801440), (8, 2451260), (10, 1961008), (14, 1400720), (16, 1225630), (20, 980504), (28, 700360), (32, 612815), (35, 560288), (40, 490252), (56, 350180), (70, 280144), (80, 245126), (112, 175090), (140, 140072), (160, 122563), (224, 87545), (280, 70036), (560, 35018), (1120, 17509)]