78090160

素因数分解:

$2^4\times 5^1\times {\mathrm{976127}}^1$

素因数の和:976140

約数の個数: 20

約数和(自身を含む): 181559808

約数和(自身を除く): 103469648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 976127, 1952254, 3904508, 4880635, 7809016, 9761270, 15618032, 19522540, 39045080, 78090160]

約数ペア:

[(1, 78090160), (2, 39045080), (4, 19522540), (5, 15618032), (8, 9761270), (10, 7809016), (16, 4880635), (20, 3904508), (40, 1952254), (80, 976127)]