26490520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2557}}^1$

素因数の和:2612

約数の個数: 64

約数和(自身を含む): 69986880

約数和(自身を除く): 43496360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2557, 2590, 5114, 5180, 10228, 10360, 12785, 17899, 20456, 25570, 35798, 51140, 71596, 89495, 94609, 102280, 143192, 178990, 189218, 357980, 378436, 473045, 662263, 715960, 756872, 946090, 1324526, 1892180, 2649052, 3311315, 3784360, 5298104, 6622630, 13245260, 26490520]

約数ペア:

[(1, 26490520), (2, 13245260), (4, 6622630), (5, 5298104), (7, 3784360), (8, 3311315), (10, 2649052), (14, 1892180), (20, 1324526), (28, 946090), (35, 756872), (37, 715960), (40, 662263), (56, 473045), (70, 378436), (74, 357980), (140, 189218), (148, 178990), (185, 143192), (259, 102280), (280, 94609), (296, 89495), (370, 71596), (518, 51140), (740, 35798), (1036, 25570), (1295, 20456), (1480, 17899), (2072, 12785), (2557, 10360), (2590, 10228), (5114, 5180)]