12928720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23087}}^1$

素因数の和:23107

約数の個数: 40

約数和(自身を含む): 34354944

約数和(自身を除く): 21426224

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 23087, 46174, 92348, 115435, 161609, 184696, 230870, 323218, 369392, 461740, 646436, 808045, 923480, 1292872, 1616090, 1846960, 2585744, 3232180, 6464360, 12928720]

約数ペア:

[(1, 12928720), (2, 6464360), (4, 3232180), (5, 2585744), (7, 1846960), (8, 1616090), (10, 1292872), (14, 923480), (16, 808045), (20, 646436), (28, 461740), (35, 369392), (40, 323218), (56, 230870), (70, 184696), (80, 161609), (112, 115435), (140, 92348), (280, 46174), (560, 23087)]