17680090

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{4409}}^1$

素因数の和:4817

約数の個数: 16

約数和(自身を含む): 31910760

約数和(自身を除く): 14230670

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 4409, 8818, 22045, 44090, 1768009, 3536018, 8840045, 17680090]

約数ペア:

[(1, 17680090), (2, 8840045), (5, 3536018), (10, 1768009), (401, 44090), (802, 22045), (2005, 8818), (4010, 4409)]