25392760

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1433}}^1$

素因数の和:1887

約数の個数: 32

約数和(自身を含む): 57302640

約数和(自身を除く): 31909880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1433, 1772, 2215, 2866, 3544, 4430, 5732, 7165, 8860, 11464, 14330, 17720, 28660, 57320, 634819, 1269638, 2539276, 3174095, 5078552, 6348190, 12696380, 25392760]

約数ペア:

[(1, 25392760), (2, 12696380), (4, 6348190), (5, 5078552), (8, 3174095), (10, 2539276), (20, 1269638), (40, 634819), (443, 57320), (886, 28660), (1433, 17720), (1772, 14330), (2215, 11464), (2866, 8860), (3544, 7165), (4430, 5732)]