18480080

素因数分解:

$2^4\times 5^1\times {\mathrm{231001}}^1$

素因数の和:231014

約数の個数: 20

約数和(自身を含む): 42966372

約数和(自身を除く): 24486292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 231001, 462002, 924004, 1155005, 1848008, 2310010, 3696016, 4620020, 9240040, 18480080]

約数ペア:

[(1, 18480080), (2, 9240040), (4, 4620020), (5, 3696016), (8, 2310010), (10, 1848008), (16, 1155005), (20, 924004), (40, 462002), (80, 231001)]