2169520

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{577}}^1$

素因数の和:637

約数の個数: 40

約数和(自身を含む): 5160384

約数和(自身を除く): 2990864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 577, 752, 940, 1154, 1880, 2308, 2885, 3760, 4616, 5770, 9232, 11540, 23080, 27119, 46160, 54238, 108476, 135595, 216952, 271190, 433904, 542380, 1084760, 2169520]

約数ペア:

[(1, 2169520), (2, 1084760), (4, 542380), (5, 433904), (8, 271190), (10, 216952), (16, 135595), (20, 108476), (40, 54238), (47, 46160), (80, 27119), (94, 23080), (188, 11540), (235, 9232), (376, 5770), (470, 4616), (577, 3760), (752, 2885), (940, 2308), (1154, 1880)]