28577920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{6379}}^1$

素因数の和:6405

約数の個数: 64

約数和(自身を含む): 78091200

約数和(自身を除く): 49513280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 6379, 12758, 25516, 31895, 44653, 51032, 63790, 89306, 102064, 127580, 178612, 204128, 223265, 255160, 357224, 408256, 446530, 510320, 714448, 816512, 893060, 1020640, 1428896, 1786120, 2041280, 2857792, 3572240, 4082560, 5715584, 7144480, 14288960, 28577920]

約数ペア:

[(1, 28577920), (2, 14288960), (4, 7144480), (5, 5715584), (7, 4082560), (8, 3572240), (10, 2857792), (14, 2041280), (16, 1786120), (20, 1428896), (28, 1020640), (32, 893060), (35, 816512), (40, 714448), (56, 510320), (64, 446530), (70, 408256), (80, 357224), (112, 255160), (128, 223265), (140, 204128), (160, 178612), (224, 127580), (280, 102064), (320, 89306), (448, 63790), (560, 51032), (640, 44653), (896, 31895), (1120, 25516), (2240, 12758), (4480, 6379)]