66494840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{72277}}^1$

素因数の和:72311

約数の個数: 32

約数和(自身を含む): 156120480

約数和(自身を除く): 89625640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 72277, 144554, 289108, 361385, 578216, 722770, 1445540, 1662371, 2891080, 3324742, 6649484, 8311855, 13298968, 16623710, 33247420, 66494840]

約数ペア:

[(1, 66494840), (2, 33247420), (4, 16623710), (5, 13298968), (8, 8311855), (10, 6649484), (20, 3324742), (23, 2891080), (40, 1662371), (46, 1445540), (92, 722770), (115, 578216), (184, 361385), (230, 289108), (460, 144554), (920, 72277)]