80709516

素因数分解:

$2^2\times 3^2\times {\mathrm{127}}^2\times {\mathrm{139}}^1$

素因数の和:403

約数の個数: 54

約数和(自身を含む): 207114180

約数和(自身を除く): 126404664

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 127, 139, 254, 278, 381, 417, 508, 556, 762, 834, 1143, 1251, 1524, 1668, 2286, 2502, 4572, 5004, 16129, 17653, 32258, 35306, 48387, 52959, 64516, 70612, 96774, 105918, 145161, 158877, 193548, 211836, 290322, 317754, 580644, 635508, 2241931, 4483862, 6725793, 8967724, 13451586, 20177379, 26903172, 40354758, 80709516]

約数ペア:

[(1, 80709516), (2, 40354758), (3, 26903172), (4, 20177379), (6, 13451586), (9, 8967724), (12, 6725793), (18, 4483862), (36, 2241931), (127, 635508), (139, 580644), (254, 317754), (278, 290322), (381, 211836), (417, 193548), (508, 158877), (556, 145161), (762, 105918), (834, 96774), (1143, 70612), (1251, 64516), (1524, 52959), (1668, 48387), (2286, 35306), (2502, 32258), (4572, 17653), (5004, 16129)]