27982040

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{3137}}^1$

素因数の和:3371

約数の個数: 32

約数和(自身を含む): 63262080

約数和(自身を除く): 35280040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 3137, 4460, 6274, 8920, 12548, 15685, 25096, 31370, 62740, 125480, 699551, 1399102, 2798204, 3497755, 5596408, 6995510, 13991020, 27982040]

約数ペア:

[(1, 27982040), (2, 13991020), (4, 6995510), (5, 5596408), (8, 3497755), (10, 2798204), (20, 1399102), (40, 699551), (223, 125480), (446, 62740), (892, 31370), (1115, 25096), (1784, 15685), (2230, 12548), (3137, 8920), (4460, 6274)]