40984660

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{15643}}^1$

素因数の和:15783

約数の個数: 24

約数和(自身を含む): 86730336

約数和(自身を除く): 45745676

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 15643, 31286, 62572, 78215, 156430, 312860, 2049233, 4098466, 8196932, 10246165, 20492330, 40984660]

約数ペア:

[(1, 40984660), (2, 20492330), (4, 10246165), (5, 8196932), (10, 4098466), (20, 2049233), (131, 312860), (262, 156430), (524, 78215), (655, 62572), (1310, 31286), (2620, 15643)]