1057840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1889}}^1$

素因数の和:1909

約数の個数: 40

約数和(自身を含む): 2812320

約数和(自身を除く): 1754480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1889, 3778, 7556, 9445, 13223, 15112, 18890, 26446, 30224, 37780, 52892, 66115, 75560, 105784, 132230, 151120, 211568, 264460, 528920, 1057840]

約数ペア:

[(1, 1057840), (2, 528920), (4, 264460), (5, 211568), (7, 151120), (8, 132230), (10, 105784), (14, 75560), (16, 66115), (20, 52892), (28, 37780), (35, 30224), (40, 26446), (56, 18890), (70, 15112), (80, 13223), (112, 9445), (140, 7556), (280, 3778), (560, 1889)]