210320080

素因数分解:

$2^4\times 5^1\times {\mathrm{2629001}}^1$

素因数の和:2629014

約数の個数: 20

約数和(自身を含む): 488994372

約数和(自身を除く): 278674292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2629001, 5258002, 10516004, 13145005, 21032008, 26290010, 42064016, 52580020, 105160040, 210320080]

約数ペア:

[(1, 210320080), (2, 105160040), (4, 52580020), (5, 42064016), (8, 26290010), (10, 21032008), (16, 13145005), (20, 10516004), (40, 5258002), (80, 2629001)]