9976880

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{401}}^1$

素因数の和:725

約数の個数: 40

約数和(自身を含む): 23328864

約数和(自身を除く): 13351984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 401, 622, 802, 1244, 1555, 1604, 2005, 2488, 3110, 3208, 4010, 4976, 6220, 6416, 8020, 12440, 16040, 24880, 32080, 124711, 249422, 498844, 623555, 997688, 1247110, 1995376, 2494220, 4988440, 9976880]

約数ペア:

[(1, 9976880), (2, 4988440), (4, 2494220), (5, 1995376), (8, 1247110), (10, 997688), (16, 623555), (20, 498844), (40, 249422), (80, 124711), (311, 32080), (401, 24880), (622, 16040), (802, 12440), (1244, 8020), (1555, 6416), (1604, 6220), (2005, 4976), (2488, 4010), (3110, 3208)]