211408040

素因数分解:

$2^3\times 5^1\times {\mathrm{5285201}}^1$

素因数の和:5285212

約数の個数: 16

約数和(自身を含む): 475668180

約数和(自身を除く): 264260140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5285201, 10570402, 21140804, 26426005, 42281608, 52852010, 105704020, 211408040]

約数ペア:

[(1, 211408040), (2, 105704020), (4, 52852010), (5, 42281608), (8, 26426005), (10, 21140804), (20, 10570402), (40, 5285201)]