86980760

素因数分解:

$2^3\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{2069}}^1$

素因数の和:3131

約数の個数: 32

約数和(自身を含む): 195987600

約数和(自身を除く): 109006840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1051, 2069, 2102, 4138, 4204, 5255, 8276, 8408, 10345, 10510, 16552, 20690, 21020, 41380, 42040, 82760, 2174519, 4349038, 8698076, 10872595, 17396152, 21745190, 43490380, 86980760]

約数ペア:

[(1, 86980760), (2, 43490380), (4, 21745190), (5, 17396152), (8, 10872595), (10, 8698076), (20, 4349038), (40, 2174519), (1051, 82760), (2069, 42040), (2102, 41380), (4138, 21020), (4204, 20690), (5255, 16552), (8276, 10510), (8408, 10345)]