28744880

素因数分解:

$2^4\times 5^1\times {\mathrm{359311}}^1$

素因数の和:359324

約数の個数: 20

約数和(自身を含む): 66832032

約数和(自身を除く): 38087152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359311, 718622, 1437244, 1796555, 2874488, 3593110, 5748976, 7186220, 14372440, 28744880]

約数ペア:

[(1, 28744880), (2, 14372440), (4, 7186220), (5, 5748976), (8, 3593110), (10, 2874488), (16, 1796555), (20, 1437244), (40, 718622), (80, 359311)]