16009880

素因数分解:

$2^3\times 5^1\times {\mathrm{400247}}^1$

素因数の和:400258

約数の個数: 16

約数和(自身を含む): 36022320

約数和(自身を除く): 20012440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 400247, 800494, 1600988, 2001235, 3201976, 4002470, 8004940, 16009880]

約数ペア:

[(1, 16009880), (2, 8004940), (4, 4002470), (5, 3201976), (8, 2001235), (10, 1600988), (20, 800494), (40, 400247)]