221425840

素因数分解:

$2^4\times 5^1\times {\mathrm{2767823}}^1$

素因数の和:2767836

約数の個数: 20

約数和(自身を含む): 514815264

約数和(自身を除く): 293389424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2767823, 5535646, 11071292, 13839115, 22142584, 27678230, 44285168, 55356460, 110712920, 221425840]

約数ペア:

[(1, 221425840), (2, 110712920), (4, 55356460), (5, 44285168), (8, 27678230), (10, 22142584), (16, 13839115), (20, 11071292), (40, 5535646), (80, 2767823)]