28328720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{50587}}^1$

素因数の和:50607

約数の個数: 40

約数和(自身を含む): 75274944

約数和(自身を除く): 46946224

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 50587, 101174, 202348, 252935, 354109, 404696, 505870, 708218, 809392, 1011740, 1416436, 1770545, 2023480, 2832872, 3541090, 4046960, 5665744, 7082180, 14164360, 28328720]

約数ペア:

[(1, 28328720), (2, 14164360), (4, 7082180), (5, 5665744), (7, 4046960), (8, 3541090), (10, 2832872), (14, 2023480), (16, 1770545), (20, 1416436), (28, 1011740), (35, 809392), (40, 708218), (56, 505870), (70, 404696), (80, 354109), (112, 252935), (140, 202348), (280, 101174), (560, 50587)]