67216040

素因数分解:

$2^3\times 5^1\times {\mathrm{1680401}}^1$

素因数の和:1680412

約数の個数: 16

約数和(自身を含む): 151236180

約数和(自身を除く): 84020140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1680401, 3360802, 6721604, 8402005, 13443208, 16804010, 33608020, 67216040]

約数ペア:

[(1, 67216040), (2, 33608020), (4, 16804010), (5, 13443208), (8, 8402005), (10, 6721604), (20, 3360802), (40, 1680401)]