2216840680

素因数分解:

$2^3\times 5^1\times {\mathrm{55421017}}^1$

素因数の和:55421028

約数の個数: 16

約数和(自身を含む): 4987891620

約数和(自身を除く): 2771050940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 55421017, 110842034, 221684068, 277105085, 443368136, 554210170, 1108420340, 2216840680]

約数ペア:

[(1, 2216840680), (2, 1108420340), (4, 554210170), (5, 443368136), (8, 277105085), (10, 221684068), (20, 110842034), (40, 55421017)]