8711920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:398

約数の個数: 80

約数和(自身を含む): 23712768

約数和(自身を除く): 15000848

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, 331, 376, 470, 560, 658, 662, 752, 940, 1316, 1324, 1645, 1655, 1880, 2317, 2632, 2648, 3290, 3310, 3760, 4634, 5264, 5296, 6580, 6620, 9268, 11585, 13160, 13240, 15557, 18536, 23170, 26320, 26480, 31114, 37072, 46340, 62228, 77785, 92680, 108899, 124456, 155570, 185360, 217798, 248912, 311140, 435596, 544495, 622280, 871192, 1088990, 1244560, 1742384, 2177980, 4355960, 8711920]

約数ペア:

[(1, 8711920), (2, 4355960), (4, 2177980), (5, 1742384), (7, 1244560), (8, 1088990), (10, 871192), (14, 622280), (16, 544495), (20, 435596), (28, 311140), (35, 248912), (40, 217798), (47, 185360), (56, 155570), (70, 124456), (80, 108899), (94, 92680), (112, 77785), (140, 62228), (188, 46340), (235, 37072), (280, 31114), (329, 26480), (331, 26320), (376, 23170), (470, 18536), (560, 15557), (658, 13240), (662, 13160), (752, 11585), (940, 9268), (1316, 6620), (1324, 6580), (1645, 5296), (1655, 5264), (1880, 4634), (2317, 3760), (2632, 3310), (2648, 3290)]