16252520

素因数分解:

$2^3\times 5^1\times {\mathrm{406313}}^1$

素因数の和:406324

約数の個数: 16

約数和(自身を含む): 36568260

約数和(自身を除く): 20315740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 406313, 812626, 1625252, 2031565, 3250504, 4063130, 8126260, 16252520]

約数ペア:

[(1, 16252520), (2, 8126260), (4, 4063130), (5, 3250504), (8, 2031565), (10, 1625252), (20, 812626), (40, 406313)]