38319880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22279}}^1$

素因数の和:22333

約数の個数: 32

約数和(自身を含む): 88228800

約数和(自身を除く): 49908920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 22279, 44558, 89116, 111395, 178232, 222790, 445580, 891160, 957997, 1915994, 3831988, 4789985, 7663976, 9579970, 19159940, 38319880]

約数ペア:

[(1, 38319880), (2, 19159940), (4, 9579970), (5, 7663976), (8, 4789985), (10, 3831988), (20, 1915994), (40, 957997), (43, 891160), (86, 445580), (172, 222790), (215, 178232), (344, 111395), (430, 89116), (860, 44558), (1720, 22279)]