338417680

素因数分解:

$2^4\times 5^1\times {\mathrm{4230221}}^1$

素因数の和:4230234

約数の個数: 20

約数和(自身を含む): 786821292

約数和(自身を除く): 448403612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4230221, 8460442, 16920884, 21151105, 33841768, 42302210, 67683536, 84604420, 169208840, 338417680]

約数ペア:

[(1, 338417680), (2, 169208840), (4, 84604420), (5, 67683536), (8, 42302210), (10, 33841768), (16, 21151105), (20, 16920884), (40, 8460442), (80, 4230221)]