13245260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2557}}^1$

素因数の和:2610

約数の個数: 48

約数和(自身を含む): 32660544

約数和(自身を除く): 19415284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2557, 2590, 5114, 5180, 10228, 12785, 17899, 25570, 35798, 51140, 71596, 89495, 94609, 178990, 189218, 357980, 378436, 473045, 662263, 946090, 1324526, 1892180, 2649052, 3311315, 6622630, 13245260]

約数ペア:

[(1, 13245260), (2, 6622630), (4, 3311315), (5, 2649052), (7, 1892180), (10, 1324526), (14, 946090), (20, 662263), (28, 473045), (35, 378436), (37, 357980), (70, 189218), (74, 178990), (140, 94609), (148, 89495), (185, 71596), (259, 51140), (370, 35798), (518, 25570), (740, 17899), (1036, 12785), (1295, 10228), (2557, 5180), (2590, 5114)]