7638040

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{743}}^1$

素因数の和:1011

約数の個数: 32

約数和(自身を含む): 17275680

約数和(自身を除く): 9637640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 743, 1028, 1285, 1486, 2056, 2570, 2972, 3715, 5140, 5944, 7430, 10280, 14860, 29720, 190951, 381902, 763804, 954755, 1527608, 1909510, 3819020, 7638040]

約数ペア:

[(1, 7638040), (2, 3819020), (4, 1909510), (5, 1527608), (8, 954755), (10, 763804), (20, 381902), (40, 190951), (257, 29720), (514, 14860), (743, 10280), (1028, 7430), (1285, 5944), (1486, 5140), (2056, 3715), (2570, 2972)]