71943280

素因数分解:

$2^4\times 5^1\times {\mathrm{899291}}^1$

素因数の和:899304

約数の個数: 20

約数和(自身を含む): 167268312

約数和(自身を除く): 95325032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 899291, 1798582, 3597164, 4496455, 7194328, 8992910, 14388656, 17985820, 35971640, 71943280]

約数ペア:

[(1, 71943280), (2, 35971640), (4, 17985820), (5, 14388656), (8, 8992910), (10, 7194328), (16, 4496455), (20, 3597164), (40, 1798582), (80, 899291)]