28562840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{15193}}^1$

素因数の和:15251

約数の個数: 32

約数和(自身を含む): 65638080

約数和(自身を除く): 37075240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 15193, 30386, 60772, 75965, 121544, 151930, 303860, 607720, 714071, 1428142, 2856284, 3570355, 5712568, 7140710, 14281420, 28562840]

約数ペア:

[(1, 28562840), (2, 14281420), (4, 7140710), (5, 5712568), (8, 3570355), (10, 2856284), (20, 1428142), (40, 714071), (47, 607720), (94, 303860), (188, 151930), (235, 121544), (376, 75965), (470, 60772), (940, 30386), (1880, 15193)]