22208920

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{5189}}^1$

素因数の和:5307

約数の個数: 32

約数和(自身を含む): 50446800

約数和(自身を除く): 28237880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 5189, 10378, 20756, 25945, 41512, 51890, 103780, 207560, 555223, 1110446, 2220892, 2776115, 4441784, 5552230, 11104460, 22208920]

約数ペア:

[(1, 22208920), (2, 11104460), (4, 5552230), (5, 4441784), (8, 2776115), (10, 2220892), (20, 1110446), (40, 555223), (107, 207560), (214, 103780), (428, 51890), (535, 41512), (856, 25945), (1070, 20756), (2140, 10378), (4280, 5189)]