8991670

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{10103}}^1$

素因数の和:10199

約数の個数: 16

約数和(自身を含む): 16368480

約数和(自身を除く): 7376810

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 10103, 20206, 50515, 101030, 899167, 1798334, 4495835, 8991670]

約数ペア:

[(1, 8991670), (2, 4495835), (5, 1798334), (10, 899167), (89, 101030), (178, 50515), (445, 20206), (890, 10103)]