12687520

素因数分解:

$2^5\times 5^1\times {\mathrm{179}}^1\times {\mathrm{443}}^1$

素因数の和:637

約数の個数: 48

約数和(自身を含む): 30209760

約数和(自身を除く): 17522240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179, 358, 443, 716, 886, 895, 1432, 1772, 1790, 2215, 2864, 3544, 3580, 4430, 5728, 7088, 7160, 8860, 14176, 14320, 17720, 28640, 35440, 70880, 79297, 158594, 317188, 396485, 634376, 792970, 1268752, 1585940, 2537504, 3171880, 6343760, 12687520]

約数ペア:

[(1, 12687520), (2, 6343760), (4, 3171880), (5, 2537504), (8, 1585940), (10, 1268752), (16, 792970), (20, 634376), (32, 396485), (40, 317188), (80, 158594), (160, 79297), (179, 70880), (358, 35440), (443, 28640), (716, 17720), (886, 14320), (895, 14176), (1432, 8860), (1772, 7160), (1790, 7088), (2215, 5728), (2864, 4430), (3544, 3580)]