7288520

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{709}}^1$

素因数の和:977

約数の個数: 32

約数和(自身を含む): 16486200

約数和(自身を除く): 9197680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 709, 1028, 1285, 1418, 2056, 2570, 2836, 3545, 5140, 5672, 7090, 10280, 14180, 28360, 182213, 364426, 728852, 911065, 1457704, 1822130, 3644260, 7288520]

約数ペア:

[(1, 7288520), (2, 3644260), (4, 1822130), (5, 1457704), (8, 911065), (10, 728852), (20, 364426), (40, 182213), (257, 28360), (514, 14180), (709, 10280), (1028, 7090), (1285, 5672), (1418, 5140), (2056, 3545), (2570, 2836)]