85220680

素因数分解:

$2^3\times 5^1\times {\mathrm{1069}}^1\times {\mathrm{1993}}^1$

素因数の和:3073

約数の個数: 32

約数和(自身を含む): 192022200

約数和(自身を除く): 106801520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1069, 1993, 2138, 3986, 4276, 5345, 7972, 8552, 9965, 10690, 15944, 19930, 21380, 39860, 42760, 79720, 2130517, 4261034, 8522068, 10652585, 17044136, 21305170, 42610340, 85220680]

約数ペア:

[(1, 85220680), (2, 42610340), (4, 21305170), (5, 17044136), (8, 10652585), (10, 8522068), (20, 4261034), (40, 2130517), (1069, 79720), (1993, 42760), (2138, 39860), (3986, 21380), (4276, 19930), (5345, 15944), (7972, 10690), (8552, 9965)]