164471203760

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1\times {\mathrm{81097}}^1$

素因数の和:81462

約数の個数: 80

約数和(自身を含む): 387724996512

約数和(自身を除く): 223253792752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 251, 404, 502, 505, 808, 1004, 1010, 1255, 1616, 2008, 2020, 2510, 4016, 4040, 5020, 8080, 10040, 20080, 25351, 50702, 81097, 101404, 126755, 162194, 202808, 253510, 324388, 405485, 405616, 507020, 648776, 810970, 1014040, 1297552, 1621940, 2028080, 3243880, 6487760, 8190797, 16381594, 20355347, 32763188, 40710694, 40953985, 65526376, 81421388, 81907970, 101776735, 131052752, 162842776, 163815940, 203553470, 325685552, 327631880, 407106940, 655263760, 814213880, 1628427760, 2055890047, 4111780094, 8223560188, 10279450235, 16447120376, 20558900470, 32894240752, 41117800940, 82235601880, 164471203760]

約数ペア:

[(1, 164471203760), (2, 82235601880), (4, 41117800940), (5, 32894240752), (8, 20558900470), (10, 16447120376), (16, 10279450235), (20, 8223560188), (40, 4111780094), (80, 2055890047), (101, 1628427760), (202, 814213880), (251, 655263760), (404, 407106940), (502, 327631880), (505, 325685552), (808, 203553470), (1004, 163815940), (1010, 162842776), (1255, 131052752), (1616, 101776735), (2008, 81907970), (2020, 81421388), (2510, 65526376), (4016, 40953985), (4040, 40710694), (5020, 32763188), (8080, 20355347), (10040, 16381594), (20080, 8190797), (25351, 6487760), (50702, 3243880), (81097, 2028080), (101404, 1621940), (126755, 1297552), (162194, 1014040), (202808, 810970), (253510, 648776), (324388, 507020), (405485, 405616)]