26453840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{487}}^1$

素因数の和:604

約数の個数: 80

約数和(自身を含む): 71162112

約数和(自身を除く): 44708272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 97, 112, 140, 194, 280, 388, 485, 487, 560, 679, 776, 970, 974, 1358, 1552, 1940, 1948, 2435, 2716, 3395, 3409, 3880, 3896, 4870, 5432, 6790, 6818, 7760, 7792, 9740, 10864, 13580, 13636, 17045, 19480, 27160, 27272, 34090, 38960, 47239, 54320, 54544, 68180, 94478, 136360, 188956, 236195, 272720, 330673, 377912, 472390, 661346, 755824, 944780, 1322692, 1653365, 1889560, 2645384, 3306730, 3779120, 5290768, 6613460, 13226920, 26453840]

約数ペア:

[(1, 26453840), (2, 13226920), (4, 6613460), (5, 5290768), (7, 3779120), (8, 3306730), (10, 2645384), (14, 1889560), (16, 1653365), (20, 1322692), (28, 944780), (35, 755824), (40, 661346), (56, 472390), (70, 377912), (80, 330673), (97, 272720), (112, 236195), (140, 188956), (194, 136360), (280, 94478), (388, 68180), (485, 54544), (487, 54320), (560, 47239), (679, 38960), (776, 34090), (970, 27272), (974, 27160), (1358, 19480), (1552, 17045), (1940, 13636), (1948, 13580), (2435, 10864), (2716, 9740), (3395, 7792), (3409, 7760), (3880, 6818), (3896, 6790), (4870, 5432)]