85474360

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{10847}}^1$

素因数の和:11055

約数の個数: 32

約数和(自身を含む): 193311360

約数和(自身を除く): 107837000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 10847, 21694, 43388, 54235, 86776, 108470, 216940, 433880, 2136859, 4273718, 8547436, 10684295, 17094872, 21368590, 42737180, 85474360]

約数ペア:

[(1, 85474360), (2, 42737180), (4, 21368590), (5, 17094872), (8, 10684295), (10, 8547436), (20, 4273718), (40, 2136859), (197, 433880), (394, 216940), (788, 108470), (985, 86776), (1576, 54235), (1970, 43388), (3940, 21694), (7880, 10847)]