66464080

素因数分解:

$2^4\times 5^1\times {\mathrm{830801}}^1$

素因数の和:830814

約数の個数: 20

約数和(自身を含む): 154529172

約数和(自身を除く): 88065092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 830801, 1661602, 3323204, 4154005, 6646408, 8308010, 13292816, 16616020, 33232040, 66464080]

約数ペア:

[(1, 66464080), (2, 33232040), (4, 16616020), (5, 13292816), (8, 8308010), (10, 6646408), (16, 4154005), (20, 3323204), (40, 1661602), (80, 830801)]