81023560

素因数分解:

$2^3\times 5^1\times {\mathrm{2025589}}^1$

素因数の和:2025600

約数の個数: 16

約数和(自身を含む): 182303100

約数和(自身を除く): 101279540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2025589, 4051178, 8102356, 10127945, 16204712, 20255890, 40511780, 81023560]

約数ペア:

[(1, 81023560), (2, 40511780), (4, 20255890), (5, 16204712), (8, 10127945), (10, 8102356), (20, 4051178), (40, 2025589)]