2018909080

素因数分解:

$2^3\times 5^1\times {\mathrm{50472727}}^1$

素因数の和:50472738

約数の個数: 16

約数和(自身を含む): 4542545520

約数和(自身を除く): 2523636440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50472727, 100945454, 201890908, 252363635, 403781816, 504727270, 1009454540, 2018909080]

約数ペア:

[(1, 2018909080), (2, 1009454540), (4, 504727270), (5, 403781816), (8, 252363635), (10, 201890908), (20, 100945454), (40, 50472727)]