68504080

素因数分解:

$2^4\times 5^1\times {\mathrm{856301}}^1$

素因数の和:856314

約数の個数: 20

約数和(自身を含む): 159272172

約数和(自身を除く): 90768092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 856301, 1712602, 3425204, 4281505, 6850408, 8563010, 13700816, 17126020, 34252040, 68504080]

約数ペア:

[(1, 68504080), (2, 34252040), (4, 17126020), (5, 13700816), (8, 8563010), (10, 6850408), (16, 4281505), (20, 3425204), (40, 1712602), (80, 856301)]