85361960

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{421}}^1$

素因数の和:606

約数の個数: 64

約数和(自身を含む): 199167120

約数和(自身を除く): 113805160

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 137, 148, 185, 274, 296, 370, 421, 548, 685, 740, 842, 1096, 1370, 1480, 1684, 2105, 2740, 3368, 4210, 5069, 5480, 8420, 10138, 15577, 16840, 20276, 25345, 31154, 40552, 50690, 57677, 62308, 77885, 101380, 115354, 124616, 155770, 202760, 230708, 288385, 311540, 461416, 576770, 623080, 1153540, 2134049, 2307080, 4268098, 8536196, 10670245, 17072392, 21340490, 42680980, 85361960]

約数ペア:

[(1, 85361960), (2, 42680980), (4, 21340490), (5, 17072392), (8, 10670245), (10, 8536196), (20, 4268098), (37, 2307080), (40, 2134049), (74, 1153540), (137, 623080), (148, 576770), (185, 461416), (274, 311540), (296, 288385), (370, 230708), (421, 202760), (548, 155770), (685, 124616), (740, 115354), (842, 101380), (1096, 77885), (1370, 62308), (1480, 57677), (1684, 50690), (2105, 40552), (2740, 31154), (3368, 25345), (4210, 20276), (5069, 16840), (5480, 15577), (8420, 10138)]