28767760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1093}}^1$

素因数の和:1160

約数の個数: 80

約数和(自身を含む): 78137856

約数和(自身を除く): 49370096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 752, 940, 1093, 1316, 1645, 1880, 2186, 2632, 3290, 3760, 4372, 5264, 5465, 6580, 7651, 8744, 10930, 13160, 15302, 17488, 21860, 26320, 30604, 38255, 43720, 51371, 61208, 76510, 87440, 102742, 122416, 153020, 205484, 256855, 306040, 359597, 410968, 513710, 612080, 719194, 821936, 1027420, 1438388, 1797985, 2054840, 2876776, 3595970, 4109680, 5753552, 7191940, 14383880, 28767760]

約数ペア:

[(1, 28767760), (2, 14383880), (4, 7191940), (5, 5753552), (7, 4109680), (8, 3595970), (10, 2876776), (14, 2054840), (16, 1797985), (20, 1438388), (28, 1027420), (35, 821936), (40, 719194), (47, 612080), (56, 513710), (70, 410968), (80, 359597), (94, 306040), (112, 256855), (140, 205484), (188, 153020), (235, 122416), (280, 102742), (329, 87440), (376, 76510), (470, 61208), (560, 51371), (658, 43720), (752, 38255), (940, 30604), (1093, 26320), (1316, 21860), (1645, 17488), (1880, 15302), (2186, 13160), (2632, 10930), (3290, 8744), (3760, 7651), (4372, 6580), (5264, 5465)]