49216520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^2\times {\mathrm{557}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 113346540

約数和(自身を除く): 64130020

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 557, 940, 1114, 1880, 2209, 2228, 2785, 4418, 4456, 5570, 8836, 11045, 11140, 17672, 22090, 22280, 26179, 44180, 52358, 88360, 104716, 130895, 209432, 261790, 523580, 1047160, 1230413, 2460826, 4921652, 6152065, 9843304, 12304130, 24608260, 49216520]

約数ペア:

[(1, 49216520), (2, 24608260), (4, 12304130), (5, 9843304), (8, 6152065), (10, 4921652), (20, 2460826), (40, 1230413), (47, 1047160), (94, 523580), (188, 261790), (235, 209432), (376, 130895), (470, 104716), (557, 88360), (940, 52358), (1114, 44180), (1880, 26179), (2209, 22280), (2228, 22090), (2785, 17672), (4418, 11140), (4456, 11045), (5570, 8836)]