8161580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{601}}^1$

素因数の和:714

約数の個数: 48

約数和(自身を含む): 19822656

約数和(自身を除く): 11661076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 601, 679, 970, 1202, 1358, 1940, 2404, 2716, 3005, 3395, 4207, 6010, 6790, 8414, 12020, 13580, 16828, 21035, 42070, 58297, 84140, 116594, 233188, 291485, 408079, 582970, 816158, 1165940, 1632316, 2040395, 4080790, 8161580]

約数ペア:

[(1, 8161580), (2, 4080790), (4, 2040395), (5, 1632316), (7, 1165940), (10, 816158), (14, 582970), (20, 408079), (28, 291485), (35, 233188), (70, 116594), (97, 84140), (140, 58297), (194, 42070), (388, 21035), (485, 16828), (601, 13580), (679, 12020), (970, 8414), (1202, 6790), (1358, 6010), (1940, 4207), (2404, 3395), (2716, 3005)]