28435760

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5827}}^1$

素因数の和:5901

約数の個数: 40

約数和(自身を含む): 67208496

約数和(自身を除く): 38772736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 5827, 11654, 23308, 29135, 46616, 58270, 93232, 116540, 233080, 355447, 466160, 710894, 1421788, 1777235, 2843576, 3554470, 5687152, 7108940, 14217880, 28435760]

約数ペア:

[(1, 28435760), (2, 14217880), (4, 7108940), (5, 5687152), (8, 3554470), (10, 2843576), (16, 1777235), (20, 1421788), (40, 710894), (61, 466160), (80, 355447), (122, 233080), (244, 116540), (305, 93232), (488, 58270), (610, 46616), (976, 29135), (1220, 23308), (2440, 11654), (4880, 5827)]