17967500120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{107693}}^1$

素因数の和:107844

約数の個数: 64

約数和(自身を含む): 41793887520

約数和(自身を除く): 23826387400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 97, 172, 194, 215, 344, 388, 430, 485, 776, 860, 970, 1720, 1940, 3880, 4171, 8342, 16684, 20855, 33368, 41710, 83420, 107693, 166840, 215386, 430772, 538465, 861544, 1076930, 2153860, 4307720, 4630799, 9261598, 10446221, 18523196, 20892442, 23153995, 37046392, 41784884, 46307990, 52231105, 83569768, 92615980, 104462210, 185231960, 208924420, 417848840, 449187503, 898375006, 1796750012, 2245937515, 3593500024, 4491875030, 8983750060, 17967500120]

約数ペア:

[(1, 17967500120), (2, 8983750060), (4, 4491875030), (5, 3593500024), (8, 2245937515), (10, 1796750012), (20, 898375006), (40, 449187503), (43, 417848840), (86, 208924420), (97, 185231960), (172, 104462210), (194, 92615980), (215, 83569768), (344, 52231105), (388, 46307990), (430, 41784884), (485, 37046392), (776, 23153995), (860, 20892442), (970, 18523196), (1720, 10446221), (1940, 9261598), (3880, 4630799), (4171, 4307720), (8342, 2153860), (16684, 1076930), (20855, 861544), (33368, 538465), (41710, 430772), (83420, 215386), (107693, 166840)]