28616860

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{13127}}^1$

素因数の和:13245

約数の個数: 24

約数和(自身を含む): 60651360

約数和(自身を除く): 32034500

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 13127, 26254, 52508, 65635, 131270, 262540, 1430843, 2861686, 5723372, 7154215, 14308430, 28616860]

約数ペア:

[(1, 28616860), (2, 14308430), (4, 7154215), (5, 5723372), (10, 2861686), (20, 1430843), (109, 262540), (218, 131270), (436, 65635), (545, 52508), (1090, 26254), (2180, 13127)]