81322040

素因数分解:

$2^3\times 5^1\times {\mathrm{2033051}}^1$

素因数の和:2033062

約数の個数: 16

約数和(自身を含む): 182974680

約数和(自身を除く): 101652640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2033051, 4066102, 8132204, 10165255, 16264408, 20330510, 40661020, 81322040]

約数ペア:

[(1, 81322040), (2, 40661020), (4, 20330510), (5, 16264408), (8, 10165255), (10, 8132204), (20, 4066102), (40, 2033051)]