1109240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2521}}^1$

素因数の和:2543

約数の個数: 32

約数和(自身を含む): 2723760

約数和(自身を除く): 1614520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2521, 5042, 10084, 12605, 20168, 25210, 27731, 50420, 55462, 100840, 110924, 138655, 221848, 277310, 554620, 1109240]

約数ペア:

[(1, 1109240), (2, 554620), (4, 277310), (5, 221848), (8, 138655), (10, 110924), (11, 100840), (20, 55462), (22, 50420), (40, 27731), (44, 25210), (55, 20168), (88, 12605), (110, 10084), (220, 5042), (440, 2521)]