25420248880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{192461}}^1$

素因数の和:192614

約数の個数: 80

約数和(自身を含む): 64149894144

約数和(自身を除く): 38729645264

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 208, 254, 260, 508, 520, 635, 1016, 1040, 1270, 1651, 2032, 2540, 3302, 5080, 6604, 8255, 10160, 13208, 16510, 26416, 33020, 66040, 132080, 192461, 384922, 769844, 962305, 1539688, 1924610, 2501993, 3079376, 3849220, 5003986, 7698440, 10007972, 12509965, 15396880, 20015944, 24442547, 25019930, 40031888, 48885094, 50039860, 97770188, 100079720, 122212735, 195540376, 200159440, 244425470, 317753111, 391080752, 488850940, 635506222, 977701880, 1271012444, 1588765555, 1955403760, 2542024888, 3177531110, 5084049776, 6355062220, 12710124440, 25420248880]

約数ペア:

[(1, 25420248880), (2, 12710124440), (4, 6355062220), (5, 5084049776), (8, 3177531110), (10, 2542024888), (13, 1955403760), (16, 1588765555), (20, 1271012444), (26, 977701880), (40, 635506222), (52, 488850940), (65, 391080752), (80, 317753111), (104, 244425470), (127, 200159440), (130, 195540376), (208, 122212735), (254, 100079720), (260, 97770188), (508, 50039860), (520, 48885094), (635, 40031888), (1016, 25019930), (1040, 24442547), (1270, 20015944), (1651, 15396880), (2032, 12509965), (2540, 10007972), (3302, 7698440), (5080, 5003986), (6604, 3849220), (8255, 3079376), (10160, 2501993), (13208, 1924610), (16510, 1539688), (26416, 962305), (33020, 769844), (66040, 384922), (132080, 192461)]