16439720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37363}}^1$

素因数の和:37385

約数の個数: 32

約数和(自身を含む): 40353120

約数和(自身を除く): 23913400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 37363, 74726, 149452, 186815, 298904, 373630, 410993, 747260, 821986, 1494520, 1643972, 2054965, 3287944, 4109930, 8219860, 16439720]

約数ペア:

[(1, 16439720), (2, 8219860), (4, 4109930), (5, 3287944), (8, 2054965), (10, 1643972), (11, 1494520), (20, 821986), (22, 747260), (40, 410993), (44, 373630), (55, 298904), (88, 186815), (110, 149452), (220, 74726), (440, 37363)]