2115760

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{499}}^1$

素因数の和:565

約数の個数: 40

約数和(自身を含む): 5022000

約数和(自身を除く): 2906240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 499, 530, 848, 998, 1060, 1996, 2120, 2495, 3992, 4240, 4990, 7984, 9980, 19960, 26447, 39920, 52894, 105788, 132235, 211576, 264470, 423152, 528940, 1057880, 2115760]

約数ペア:

[(1, 2115760), (2, 1057880), (4, 528940), (5, 423152), (8, 264470), (10, 211576), (16, 132235), (20, 105788), (40, 52894), (53, 39920), (80, 26447), (106, 19960), (212, 9980), (265, 7984), (424, 4990), (499, 4240), (530, 3992), (848, 2495), (998, 2120), (1060, 1996)]