22289360

素因数分解:

$2^4\times 5^1\times {\mathrm{278617}}^1$

素因数の和:278630

約数の個数: 20

約数和(自身を含む): 51822948

約数和(自身を除く): 29533588

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 278617, 557234, 1114468, 1393085, 2228936, 2786170, 4457872, 5572340, 11144680, 22289360]

約数ペア:

[(1, 22289360), (2, 11144680), (4, 5572340), (5, 4457872), (8, 2786170), (10, 2228936), (16, 1393085), (20, 1114468), (40, 557234), (80, 278617)]