85551440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{82261}}^1$

素因数の和:82287

約数の個数: 40

約数和(自身を含む): 214210248

約数和(自身を除く): 128658808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 82261, 164522, 329044, 411305, 658088, 822610, 1069393, 1316176, 1645220, 2138786, 3290440, 4277572, 5346965, 6580880, 8555144, 10693930, 17110288, 21387860, 42775720, 85551440]

約数ペア:

[(1, 85551440), (2, 42775720), (4, 21387860), (5, 17110288), (8, 10693930), (10, 8555144), (13, 6580880), (16, 5346965), (20, 4277572), (26, 3290440), (40, 2138786), (52, 1645220), (65, 1316176), (80, 1069393), (104, 822610), (130, 658088), (208, 411305), (260, 329044), (520, 164522), (1040, 82261)]