12415120

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{499}}^1$

素因数の和:823

約数の個数: 40

約数和(自身を含む): 29016000

約数和(自身を除く): 16600880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 499, 622, 998, 1244, 1555, 1996, 2488, 2495, 3110, 3992, 4976, 4990, 6220, 7984, 9980, 12440, 19960, 24880, 39920, 155189, 310378, 620756, 775945, 1241512, 1551890, 2483024, 3103780, 6207560, 12415120]

約数ペア:

[(1, 12415120), (2, 6207560), (4, 3103780), (5, 2483024), (8, 1551890), (10, 1241512), (16, 775945), (20, 620756), (40, 310378), (80, 155189), (311, 39920), (499, 24880), (622, 19960), (998, 12440), (1244, 9980), (1555, 7984), (1996, 6220), (2488, 4990), (2495, 4976), (3110, 3992)]