31372720

素因数分解:

$2^4\times 5^1\times {\mathrm{392159}}^1$

素因数の和:392172

約数の個数: 20

約数和(自身を含む): 72941760

約数和(自身を除く): 41569040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 392159, 784318, 1568636, 1960795, 3137272, 3921590, 6274544, 7843180, 15686360, 31372720]

約数ペア:

[(1, 31372720), (2, 15686360), (4, 7843180), (5, 6274544), (8, 3921590), (10, 3137272), (16, 1960795), (20, 1568636), (40, 784318), (80, 392159)]