12912115880

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{599}}^1\times {\mathrm{3877}}^1$

素因数の和:4626

約数の個数: 64

約数和(自身を含む): 29317680000

約数和(自身を除く): 16405564120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 599, 695, 1112, 1198, 1390, 2396, 2780, 2995, 3877, 4792, 5560, 5990, 7754, 11980, 15508, 19385, 23960, 31016, 38770, 77540, 83261, 155080, 166522, 333044, 416305, 538903, 666088, 832610, 1077806, 1665220, 2155612, 2322323, 2694515, 3330440, 4311224, 4644646, 5389030, 9289292, 10778060, 11611615, 18578584, 21556120, 23223230, 46446460, 92892920, 322802897, 645605794, 1291211588, 1614014485, 2582423176, 3228028970, 6456057940, 12912115880]

約数ペア:

[(1, 12912115880), (2, 6456057940), (4, 3228028970), (5, 2582423176), (8, 1614014485), (10, 1291211588), (20, 645605794), (40, 322802897), (139, 92892920), (278, 46446460), (556, 23223230), (599, 21556120), (695, 18578584), (1112, 11611615), (1198, 10778060), (1390, 9289292), (2396, 5389030), (2780, 4644646), (2995, 4311224), (3877, 3330440), (4792, 2694515), (5560, 2322323), (5990, 2155612), (7754, 1665220), (11980, 1077806), (15508, 832610), (19385, 666088), (23960, 538903), (31016, 416305), (38770, 333044), (77540, 166522), (83261, 155080)]