79153720

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{5087}}^1$

素因数の和:5487

約数の個数: 32

約数和(自身を含む): 178588800

約数和(自身を除く): 99435080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3890, 5087, 7780, 10174, 15560, 20348, 25435, 40696, 50870, 101740, 203480, 1978843, 3957686, 7915372, 9894215, 15830744, 19788430, 39576860, 79153720]

約数ペア:

[(1, 79153720), (2, 39576860), (4, 19788430), (5, 15830744), (8, 9894215), (10, 7915372), (20, 3957686), (40, 1978843), (389, 203480), (778, 101740), (1556, 50870), (1945, 40696), (3112, 25435), (3890, 20348), (5087, 15560), (7780, 10174)]