80381476

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1087}}^1$

素因数の和:1256

約数の個数: 48

約数和(自身を含む): 170598400

約数和(自身を除く): 90216924

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 139, 266, 278, 532, 556, 973, 1087, 1946, 2174, 2641, 3892, 4348, 5282, 7609, 10564, 15218, 18487, 20653, 30436, 36974, 41306, 73948, 82612, 144571, 151093, 289142, 302186, 578284, 604372, 1057651, 2115302, 2870767, 4230604, 5741534, 11483068, 20095369, 40190738, 80381476]

約数ペア:

[(1, 80381476), (2, 40190738), (4, 20095369), (7, 11483068), (14, 5741534), (19, 4230604), (28, 2870767), (38, 2115302), (76, 1057651), (133, 604372), (139, 578284), (266, 302186), (278, 289142), (532, 151093), (556, 144571), (973, 82612), (1087, 73948), (1946, 41306), (2174, 36974), (2641, 30436), (3892, 20653), (4348, 18487), (5282, 15218), (7609, 10564)]