2863840

素因数分解:

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

素因数の和:2579

約数の個数: 48

約数和(自身を含む): 7735392

約数和(自身を除く): 4871552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 2557, 5114, 10228, 12785, 17899, 20456, 25570, 35798, 40912, 51140, 71596, 81824, 89495, 102280, 143192, 178990, 204560, 286384, 357980, 409120, 572768, 715960, 1431920, 2863840]

約数ペア:

[(1, 2863840), (2, 1431920), (4, 715960), (5, 572768), (7, 409120), (8, 357980), (10, 286384), (14, 204560), (16, 178990), (20, 143192), (28, 102280), (32, 89495), (35, 81824), (40, 71596), (56, 51140), (70, 40912), (80, 35798), (112, 25570), (140, 20456), (160, 17899), (224, 12785), (280, 10228), (560, 5114), (1120, 2557)]