40222040

素因数分解:

$2^3\times 5^1\times {\mathrm{1005551}}^1$

素因数の和:1005562

約数の個数: 16

約数和(自身を含む): 90499680

約数和(自身を除く): 50277640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1005551, 2011102, 4022204, 5027755, 8044408, 10055510, 20111020, 40222040]

約数ペア:

[(1, 40222040), (2, 20111020), (4, 10055510), (5, 8044408), (8, 5027755), (10, 4022204), (20, 2011102), (40, 1005551)]