89860090

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{22409}}^1$

素因数の和:22817

約数の個数: 16

約数和(自身を含む): 162158760

約数和(自身を除く): 72298670

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 22409, 44818, 112045, 224090, 8986009, 17972018, 44930045, 89860090]

約数ペア:

[(1, 89860090), (2, 44930045), (5, 17972018), (10, 8986009), (401, 224090), (802, 112045), (2005, 44818), (4010, 22409)]