25490009216

素因数分解:

$2^7\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{17881}}^1$

素因数の和:17982

約数の個数: 128

約数和(自身を含む): 60993356160

約数和(自身を除く): 35503346944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 43, 56, 64, 74, 86, 112, 128, 148, 172, 224, 259, 296, 301, 344, 448, 518, 592, 602, 688, 896, 1036, 1184, 1204, 1376, 1591, 2072, 2368, 2408, 2752, 3182, 4144, 4736, 4816, 5504, 6364, 8288, 9632, 11137, 12728, 16576, 17881, 19264, 22274, 25456, 33152, 35762, 38528, 44548, 50912, 71524, 89096, 101824, 125167, 143048, 178192, 203648, 250334, 286096, 356384, 500668, 572192, 661597, 712768, 768883, 1001336, 1144384, 1323194, 1425536, 1537766, 2002672, 2288768, 2646388, 3075532, 4005344, 4631179, 5292776, 5382181, 6151064, 8010688, 9262358, 10585552, 10764362, 12302128, 16021376, 18524716, 21171104, 21528724, 24604256, 28448671, 37049432, 42342208, 43057448, 49208512, 56897342, 74098864, 84684416, 86114896, 98417024, 113794684, 148197728, 172229792, 199140697, 227589368, 296395456, 344459584, 398281394, 455178736, 592790912, 688919168, 796562788, 910357472, 1593125576, 1820714944, 3186251152, 3641429888, 6372502304, 12745004608, 25490009216]

約数ペア:

[(1, 25490009216), (2, 12745004608), (4, 6372502304), (7, 3641429888), (8, 3186251152), (14, 1820714944), (16, 1593125576), (28, 910357472), (32, 796562788), (37, 688919168), (43, 592790912), (56, 455178736), (64, 398281394), (74, 344459584), (86, 296395456), (112, 227589368), (128, 199140697), (148, 172229792), (172, 148197728), (224, 113794684), (259, 98417024), (296, 86114896), (301, 84684416), (344, 74098864), (448, 56897342), (518, 49208512), (592, 43057448), (602, 42342208), (688, 37049432), (896, 28448671), (1036, 24604256), (1184, 21528724), (1204, 21171104), (1376, 18524716), (1591, 16021376), (2072, 12302128), (2368, 10764362), (2408, 10585552), (2752, 9262358), (3182, 8010688), (4144, 6151064), (4736, 5382181), (4816, 5292776), (5504, 4631179), (6364, 4005344), (8288, 3075532), (9632, 2646388), (11137, 2288768), (12728, 2002672), (16576, 1537766), (17881, 1425536), (19264, 1323194), (22274, 1144384), (25456, 1001336), (33152, 768883), (35762, 712768), (38528, 661597), (44548, 572192), (50912, 500668), (71524, 356384), (89096, 286096), (101824, 250334), (125167, 203648), (143048, 178192)]