2145880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4877}}^1$

素因数の和:4899

約数の個数: 32

約数和(自身を含む): 5268240

約数和(自身を除く): 3122360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4877, 9754, 19508, 24385, 39016, 48770, 53647, 97540, 107294, 195080, 214588, 268235, 429176, 536470, 1072940, 2145880]

約数ペア:

[(1, 2145880), (2, 1072940), (4, 536470), (5, 429176), (8, 268235), (10, 214588), (11, 195080), (20, 107294), (22, 97540), (40, 53647), (44, 48770), (55, 39016), (88, 24385), (110, 19508), (220, 9754), (440, 4877)]