3953380

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2221}}^1$

素因数の和:2319

約数の個数: 24

約数和(自身を含む): 8399160

約数和(自身を除く): 4445780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 2221, 4442, 8884, 11105, 22210, 44420, 197669, 395338, 790676, 988345, 1976690, 3953380]

約数ペア:

[(1, 3953380), (2, 1976690), (4, 988345), (5, 790676), (10, 395338), (20, 197669), (89, 44420), (178, 22210), (356, 11105), (445, 8884), (890, 4442), (1780, 2221)]