16428280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37337}}^1$

素因数の和:37359

約数の個数: 32

約数和(自身を含む): 40325040

約数和(自身を除く): 23896760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 37337, 74674, 149348, 186685, 298696, 373370, 410707, 746740, 821414, 1493480, 1642828, 2053535, 3285656, 4107070, 8214140, 16428280]

約数ペア:

[(1, 16428280), (2, 8214140), (4, 4107070), (5, 3285656), (8, 2053535), (10, 1642828), (11, 1493480), (20, 821414), (22, 746740), (40, 410707), (44, 373370), (55, 298696), (88, 186685), (110, 149348), (220, 74674), (440, 37337)]