66508040

素因数分解:

$2^3\times 5^1\times {\mathrm{1662701}}^1$

素因数の和:1662712

約数の個数: 16

約数和(自身を含む): 149643180

約数和(自身を除く): 83135140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1662701, 3325402, 6650804, 8313505, 13301608, 16627010, 33254020, 66508040]

約数ペア:

[(1, 66508040), (2, 33254020), (4, 16627010), (5, 13301608), (8, 8313505), (10, 6650804), (20, 3325402), (40, 1662701)]