13887560

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 32659200

約数和(自身を除く): 18771640

約数列:

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

約数ペア:

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