65840680

素因数分解:

$2^3\times 5^1\times {\mathrm{1646017}}^1$

素因数の和:1646028

約数の個数: 16

約数和(自身を含む): 148141620

約数和(自身を除く): 82300940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1646017, 3292034, 6584068, 8230085, 13168136, 16460170, 32920340, 65840680]

約数ペア:

[(1, 65840680), (2, 32920340), (4, 16460170), (5, 13168136), (8, 8230085), (10, 6584068), (20, 3292034), (40, 1646017)]