26915560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{991}}^1$

素因数の和:1106

約数の個数: 64

約数和(自身を含む): 69995520

約数和(自身を除く): 43079960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 679, 776, 970, 991, 1358, 1940, 1982, 2716, 3395, 3880, 3964, 4955, 5432, 6790, 6937, 7928, 9910, 13580, 13874, 19820, 27160, 27748, 34685, 39640, 55496, 69370, 96127, 138740, 192254, 277480, 384508, 480635, 672889, 769016, 961270, 1345778, 1922540, 2691556, 3364445, 3845080, 5383112, 6728890, 13457780, 26915560]

約数ペア:

[(1, 26915560), (2, 13457780), (4, 6728890), (5, 5383112), (7, 3845080), (8, 3364445), (10, 2691556), (14, 1922540), (20, 1345778), (28, 961270), (35, 769016), (40, 672889), (56, 480635), (70, 384508), (97, 277480), (140, 192254), (194, 138740), (280, 96127), (388, 69370), (485, 55496), (679, 39640), (776, 34685), (970, 27748), (991, 27160), (1358, 19820), (1940, 13874), (1982, 13580), (2716, 9910), (3395, 7928), (3880, 6937), (3964, 6790), (4955, 5432)]