38897680

素因数分解:

$2^4\times 5^1\times {\mathrm{486221}}^1$

素因数の和:486234

約数の個数: 20

約数和(自身を含む): 90437292

約数和(自身を除く): 51539612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 486221, 972442, 1944884, 2431105, 3889768, 4862210, 7779536, 9724420, 19448840, 38897680]

約数ペア:

[(1, 38897680), (2, 19448840), (4, 9724420), (5, 7779536), (8, 4862210), (10, 3889768), (16, 2431105), (20, 1944884), (40, 972442), (80, 486221)]