12320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1$

素因数の和:33

約数の個数: 48

約数和(自身を含む): 36288

約数和(自身を除く): 23968

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1540, 1760, 2464, 3080, 6160, 12320]

約数ペア:

[(1, 12320), (2, 6160), (4, 3080), (5, 2464), (7, 1760), (8, 1540), (10, 1232), (11, 1120), (14, 880), (16, 770), (20, 616), (22, 560), (28, 440), (32, 385), (35, 352), (40, 308), (44, 280), (55, 224), (56, 220), (70, 176), (77, 160), (80, 154), (88, 140), (110, 112)]