51440560

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{13681}}^1$

素因数の和:13741

約数の個数: 40

約数和(自身を含む): 122152896

約数和(自身を除く): 70712336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 13681, 27362, 54724, 68405, 109448, 136810, 218896, 273620, 547240, 643007, 1094480, 1286014, 2572028, 3215035, 5144056, 6430070, 10288112, 12860140, 25720280, 51440560]

約数ペア:

[(1, 51440560), (2, 25720280), (4, 12860140), (5, 10288112), (8, 6430070), (10, 5144056), (16, 3215035), (20, 2572028), (40, 1286014), (47, 1094480), (80, 643007), (94, 547240), (188, 273620), (235, 218896), (376, 136810), (470, 109448), (752, 68405), (940, 54724), (1880, 27362), (3760, 13681)]