40864540

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{9001}}^1$

素因数の和:9237

約数の個数: 24

約数和(自身を含む): 86203152

約数和(自身を除く): 45338612

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 9001, 18002, 36004, 45005, 90010, 180020, 2043227, 4086454, 8172908, 10216135, 20432270, 40864540]

約数ペア:

[(1, 40864540), (2, 20432270), (4, 10216135), (5, 8172908), (10, 4086454), (20, 2043227), (227, 180020), (454, 90010), (908, 45005), (1135, 36004), (2270, 18002), (4540, 9001)]