27775120

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:232

約数の個数: 80

約数和(自身を含む): 67495680

約数和(自身を除く): 39720560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 83, 89, 94, 166, 178, 188, 235, 332, 356, 376, 415, 445, 470, 664, 712, 752, 830, 890, 940, 1328, 1424, 1660, 1780, 1880, 3320, 3560, 3760, 3901, 4183, 6640, 7120, 7387, 7802, 8366, 14774, 15604, 16732, 19505, 20915, 29548, 31208, 33464, 36935, 39010, 41830, 59096, 62416, 66928, 73870, 78020, 83660, 118192, 147740, 156040, 167320, 295480, 312080, 334640, 347189, 590960, 694378, 1388756, 1735945, 2777512, 3471890, 5555024, 6943780, 13887560, 27775120]

約数ペア:

[(1, 27775120), (2, 13887560), (4, 6943780), (5, 5555024), (8, 3471890), (10, 2777512), (16, 1735945), (20, 1388756), (40, 694378), (47, 590960), (80, 347189), (83, 334640), (89, 312080), (94, 295480), (166, 167320), (178, 156040), (188, 147740), (235, 118192), (332, 83660), (356, 78020), (376, 73870), (415, 66928), (445, 62416), (470, 59096), (664, 41830), (712, 39010), (752, 36935), (830, 33464), (890, 31208), (940, 29548), (1328, 20915), (1424, 19505), (1660, 16732), (1780, 15604), (1880, 14774), (3320, 8366), (3560, 7802), (3760, 7387), (3901, 7120), (4183, 6640)]