25286440

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1427}}^1$

素因数の和:1881

約数の個数: 32

約数和(自身を含む): 57062880

約数和(自身を除く): 31776440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1427, 1772, 2215, 2854, 3544, 4430, 5708, 7135, 8860, 11416, 14270, 17720, 28540, 57080, 632161, 1264322, 2528644, 3160805, 5057288, 6321610, 12643220, 25286440]

約数ペア:

[(1, 25286440), (2, 12643220), (4, 6321610), (5, 5057288), (8, 3160805), (10, 2528644), (20, 1264322), (40, 632161), (443, 57080), (886, 28540), (1427, 17720), (1772, 14270), (2215, 11416), (2854, 8860), (3544, 7135), (4430, 5708)]