131989160

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{70207}}^1$

素因数の和:70265

約数の個数: 32

約数和(自身を含む): 303298560

約数和(自身を除く): 171309400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 70207, 140414, 280828, 351035, 561656, 702070, 1404140, 2808280, 3299729, 6599458, 13198916, 16498645, 26397832, 32997290, 65994580, 131989160]

約数ペア:

[(1, 131989160), (2, 65994580), (4, 32997290), (5, 26397832), (8, 16498645), (10, 13198916), (20, 6599458), (40, 3299729), (47, 2808280), (94, 1404140), (188, 702070), (235, 561656), (376, 351035), (470, 280828), (940, 140414), (1880, 70207)]