16873040

素因数分解:

$2^4\times 5^1\times {\mathrm{210913}}^1$

素因数の和:210926

約数の個数: 20

約数和(自身を含む): 39230004

約数和(自身を除く): 22356964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 210913, 421826, 843652, 1054565, 1687304, 2109130, 3374608, 4218260, 8436520, 16873040]

約数ペア:

[(1, 16873040), (2, 8436520), (4, 4218260), (5, 3374608), (8, 2109130), (10, 1687304), (16, 1054565), (20, 843652), (40, 421826), (80, 210913)]