28642540

素因数分解:

$2^2\times 5^1\times {\mathrm{967}}^1\times {\mathrm{1481}}^1$

素因数の和:2457

約数の個数: 24

約数和(自身を含む): 60252192

約数和(自身を除く): 31609652

約数列:

[1, 2, 4, 5, 10, 20, 967, 1481, 1934, 2962, 3868, 4835, 5924, 7405, 9670, 14810, 19340, 29620, 1432127, 2864254, 5728508, 7160635, 14321270, 28642540]

約数ペア:

[(1, 28642540), (2, 14321270), (4, 7160635), (5, 5728508), (10, 2864254), (20, 1432127), (967, 29620), (1481, 19340), (1934, 14810), (2962, 9670), (3868, 7405), (4835, 5924)]