20161120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:452

約数の個数: 96

約数和(自身を含む): 55738368

約数和(自身を除く): 35577248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 70, 80, 94, 112, 140, 160, 188, 224, 235, 280, 329, 376, 383, 470, 560, 658, 752, 766, 940, 1120, 1316, 1504, 1532, 1645, 1880, 1915, 2632, 2681, 3064, 3290, 3760, 3830, 5264, 5362, 6128, 6580, 7520, 7660, 10528, 10724, 12256, 13160, 13405, 15320, 18001, 21448, 26320, 26810, 30640, 36002, 42896, 52640, 53620, 61280, 72004, 85792, 90005, 107240, 126007, 144008, 180010, 214480, 252014, 288016, 360020, 428960, 504028, 576032, 630035, 720040, 1008056, 1260070, 1440080, 2016112, 2520140, 2880160, 4032224, 5040280, 10080560, 20161120]

約数ペア:

[(1, 20161120), (2, 10080560), (4, 5040280), (5, 4032224), (7, 2880160), (8, 2520140), (10, 2016112), (14, 1440080), (16, 1260070), (20, 1008056), (28, 720040), (32, 630035), (35, 576032), (40, 504028), (47, 428960), (56, 360020), (70, 288016), (80, 252014), (94, 214480), (112, 180010), (140, 144008), (160, 126007), (188, 107240), (224, 90005), (235, 85792), (280, 72004), (329, 61280), (376, 53620), (383, 52640), (470, 42896), (560, 36002), (658, 30640), (752, 26810), (766, 26320), (940, 21448), (1120, 18001), (1316, 15320), (1504, 13405), (1532, 13160), (1645, 12256), (1880, 10724), (1915, 10528), (2632, 7660), (2681, 7520), (3064, 6580), (3290, 6128), (3760, 5362), (3830, 5264)]