66691480

素因数分解:

$2^3\times 5^1\times {\mathrm{1667287}}^1$

素因数の和:1667298

約数の個数: 16

約数和(自身を含む): 150055920

約数和(自身を除く): 83364440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1667287, 3334574, 6669148, 8336435, 13338296, 16672870, 33345740, 66691480]

約数ペア:

[(1, 66691480), (2, 33345740), (4, 16672870), (5, 13338296), (8, 8336435), (10, 6669148), (20, 3334574), (40, 1667287)]