28268840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{30727}}^1$

素因数の和:30761

約数の個数: 32

約数和(自身を含む): 66372480

約数和(自身を除く): 38103640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 30727, 61454, 122908, 153635, 245816, 307270, 614540, 706721, 1229080, 1413442, 2826884, 3533605, 5653768, 7067210, 14134420, 28268840]

約数ペア:

[(1, 28268840), (2, 14134420), (4, 7067210), (5, 5653768), (8, 3533605), (10, 2826884), (20, 1413442), (23, 1229080), (40, 706721), (46, 614540), (92, 307270), (115, 245816), (184, 153635), (230, 122908), (460, 61454), (920, 30727)]