5472220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1619}}^1$

素因数の和:1654

約数の個数: 36

約数和(自身を含む): 12451320

約数和(自身を除く): 6979100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1619, 1690, 3238, 3380, 6476, 8095, 16190, 21047, 32380, 42094, 84188, 105235, 210470, 273611, 420940, 547222, 1094444, 1368055, 2736110, 5472220]

約数ペア:

[(1, 5472220), (2, 2736110), (4, 1368055), (5, 1094444), (10, 547222), (13, 420940), (20, 273611), (26, 210470), (52, 105235), (65, 84188), (130, 42094), (169, 32380), (260, 21047), (338, 16190), (676, 8095), (845, 6476), (1619, 3380), (1690, 3238)]