9805040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17509}}^1$

素因数の和:17529

約数の個数: 40

約数和(自身を含む): 26054880

約数和(自身を除く): 16249840

約数列:

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

約数ペア:

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