51778960

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^2\times {\mathrm{293}}^1$

素因数の和:400

約数の個数: 60

約数和(自身を含む): 123421788

約数和(自身を除く): 71642828

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 293, 376, 470, 586, 752, 940, 1172, 1465, 1880, 2209, 2344, 2930, 3760, 4418, 4688, 5860, 8836, 11045, 11720, 13771, 17672, 22090, 23440, 27542, 35344, 44180, 55084, 68855, 88360, 110168, 137710, 176720, 220336, 275420, 550840, 647237, 1101680, 1294474, 2588948, 3236185, 5177896, 6472370, 10355792, 12944740, 25889480, 51778960]

約数ペア:

[(1, 51778960), (2, 25889480), (4, 12944740), (5, 10355792), (8, 6472370), (10, 5177896), (16, 3236185), (20, 2588948), (40, 1294474), (47, 1101680), (80, 647237), (94, 550840), (188, 275420), (235, 220336), (293, 176720), (376, 137710), (470, 110168), (586, 88360), (752, 68855), (940, 55084), (1172, 44180), (1465, 35344), (1880, 27542), (2209, 23440), (2344, 22090), (2930, 17672), (3760, 13771), (4418, 11720), (4688, 11045), (5860, 8836)]