40337680

素因数分解:

$2^4\times 5^1\times {\mathrm{504221}}^1$

素因数の和:504234

約数の個数: 20

約数和(自身を含む): 93785292

約数和(自身を除く): 53447612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 504221, 1008442, 2016884, 2521105, 4033768, 5042210, 8067536, 10084420, 20168840, 40337680]

約数ペア:

[(1, 40337680), (2, 20168840), (4, 10084420), (5, 8067536), (8, 5042210), (10, 4033768), (16, 2521105), (20, 2016884), (40, 1008442), (80, 504221)]