2016387080

素因数分解:

$2^3\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{39047}}^1$

素因数の和:40349

約数の個数: 32

約数和(自身を含む): 4540501440

約数和(自身を除く): 2524114360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1291, 2582, 5164, 6455, 10328, 12910, 25820, 39047, 51640, 78094, 156188, 195235, 312376, 390470, 780940, 1561880, 50409677, 100819354, 201638708, 252048385, 403277416, 504096770, 1008193540, 2016387080]

約数ペア:

[(1, 2016387080), (2, 1008193540), (4, 504096770), (5, 403277416), (8, 252048385), (10, 201638708), (20, 100819354), (40, 50409677), (1291, 1561880), (2582, 780940), (5164, 390470), (6455, 312376), (10328, 195235), (12910, 156188), (25820, 78094), (39047, 51640)]