7252840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{25903}}^1$

素因数の和:25921

約数の個数: 32

約数和(自身を含む): 18650880

約数和(自身を除く): 11398040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 25903, 51806, 103612, 129515, 181321, 207224, 259030, 362642, 518060, 725284, 906605, 1036120, 1450568, 1813210, 3626420, 7252840]

約数ペア:

[(1, 7252840), (2, 3626420), (4, 1813210), (5, 1450568), (7, 1036120), (8, 906605), (10, 725284), (14, 518060), (20, 362642), (28, 259030), (35, 207224), (40, 181321), (56, 129515), (70, 103612), (140, 51806), (280, 25903)]