8820680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20047}}^1$

素因数の和:20069

約数の個数: 32

約数和(自身を含む): 21651840

約数和(自身を除く): 12831160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 20047, 40094, 80188, 100235, 160376, 200470, 220517, 400940, 441034, 801880, 882068, 1102585, 1764136, 2205170, 4410340, 8820680]

約数ペア:

[(1, 8820680), (2, 4410340), (4, 2205170), (5, 1764136), (8, 1102585), (10, 882068), (11, 801880), (20, 441034), (22, 400940), (40, 220517), (44, 200470), (55, 160376), (88, 100235), (110, 80188), (220, 40094), (440, 20047)]