85868680

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{2647}}^1$

素因数の和:3469

約数の個数: 32

約数和(自身を含む): 193515840

約数和(自身を除く): 107647160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1622, 2647, 3244, 4055, 5294, 6488, 8110, 10588, 13235, 16220, 21176, 26470, 32440, 52940, 105880, 2146717, 4293434, 8586868, 10733585, 17173736, 21467170, 42934340, 85868680]

約数ペア:

[(1, 85868680), (2, 42934340), (4, 21467170), (5, 17173736), (8, 10733585), (10, 8586868), (20, 4293434), (40, 2146717), (811, 105880), (1622, 52940), (2647, 32440), (3244, 26470), (4055, 21176), (5294, 16220), (6488, 13235), (8110, 10588)]