7886960

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{317}}^1$

素因数の和:641

約数の個数: 40

約数和(自身を含む): 18454176

約数和(自身を除く): 10567216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 317, 622, 634, 1244, 1268, 1555, 1585, 2488, 2536, 3110, 3170, 4976, 5072, 6220, 6340, 12440, 12680, 24880, 25360, 98587, 197174, 394348, 492935, 788696, 985870, 1577392, 1971740, 3943480, 7886960]

約数ペア:

[(1, 7886960), (2, 3943480), (4, 1971740), (5, 1577392), (8, 985870), (10, 788696), (16, 492935), (20, 394348), (40, 197174), (80, 98587), (311, 25360), (317, 24880), (622, 12680), (634, 12440), (1244, 6340), (1268, 6220), (1555, 5072), (1585, 4976), (2488, 3170), (2536, 3110)]