2080873912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1\times {\mathrm{499}}^1$

素因数の和:1016

約数の個数: 64

約数和(自身を含む): 4262580000

約数和(自身を除く): 2181706088

約数列:

[1, 2, 4, 8, 13, 26, 52, 101, 104, 202, 397, 404, 499, 794, 808, 998, 1313, 1588, 1996, 2626, 3176, 3992, 5161, 5252, 6487, 10322, 10504, 12974, 20644, 25948, 40097, 41288, 50399, 51896, 80194, 100798, 160388, 198103, 201596, 320776, 396206, 403192, 521261, 655187, 792412, 1042522, 1310374, 1584824, 2085044, 2575339, 2620748, 4170088, 5150678, 5241496, 10301356, 20008403, 20602712, 40016806, 80033612, 160067224, 260109239, 520218478, 1040436956, 2080873912]

約数ペア:

[(1, 2080873912), (2, 1040436956), (4, 520218478), (8, 260109239), (13, 160067224), (26, 80033612), (52, 40016806), (101, 20602712), (104, 20008403), (202, 10301356), (397, 5241496), (404, 5150678), (499, 4170088), (794, 2620748), (808, 2575339), (998, 2085044), (1313, 1584824), (1588, 1310374), (1996, 1042522), (2626, 792412), (3176, 655187), (3992, 521261), (5161, 403192), (5252, 396206), (6487, 320776), (10322, 201596), (10504, 198103), (12974, 160388), (20644, 100798), (25948, 80194), (40097, 51896), (41288, 50399)]