32159440

素因数分解:

$2^4\times 5^1\times {\mathrm{401993}}^1$

素因数の和:402006

約数の個数: 20

約数和(自身を含む): 74770884

約数和(自身を除く): 42611444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 401993, 803986, 1607972, 2009965, 3215944, 4019930, 6431888, 8039860, 16079720, 32159440]

約数ペア:

[(1, 32159440), (2, 16079720), (4, 8039860), (5, 6431888), (8, 4019930), (10, 3215944), (16, 2009965), (20, 1607972), (40, 803986), (80, 401993)]