15726520

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3607}}^1$

素因数の和:3727

約数の個数: 32

約数和(自身を含む): 35719200

約数和(自身を除く): 19992680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 3607, 4360, 7214, 14428, 18035, 28856, 36070, 72140, 144280, 393163, 786326, 1572652, 1965815, 3145304, 3931630, 7863260, 15726520]

約数ペア:

[(1, 15726520), (2, 7863260), (4, 3931630), (5, 3145304), (8, 1965815), (10, 1572652), (20, 786326), (40, 393163), (109, 144280), (218, 72140), (436, 36070), (545, 28856), (872, 18035), (1090, 14428), (2180, 7214), (3607, 4360)]