12479320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{6367}}^1$

素因数の和:6392

約数の個数: 48

約数和(自身を含む): 32667840

約数和(自身を除く): 20188520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 6367, 12734, 25468, 31835, 44569, 50936, 63670, 89138, 127340, 178276, 222845, 254680, 311983, 356552, 445690, 623966, 891380, 1247932, 1559915, 1782760, 2495864, 3119830, 6239660, 12479320]

約数ペア:

[(1, 12479320), (2, 6239660), (4, 3119830), (5, 2495864), (7, 1782760), (8, 1559915), (10, 1247932), (14, 891380), (20, 623966), (28, 445690), (35, 356552), (40, 311983), (49, 254680), (56, 222845), (70, 178276), (98, 127340), (140, 89138), (196, 63670), (245, 50936), (280, 44569), (392, 31835), (490, 25468), (980, 12734), (1960, 6367)]