28278440

素因数分解:

$2^3\times 5^1\times {\mathrm{706961}}^1$

素因数の和:706972

約数の個数: 16

約数和(自身を含む): 63626580

約数和(自身を除く): 35348140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 706961, 1413922, 2827844, 3534805, 5655688, 7069610, 14139220, 28278440]

約数ペア:

[(1, 28278440), (2, 14139220), (4, 7069610), (5, 5655688), (8, 3534805), (10, 2827844), (20, 1413922), (40, 706961)]