210328840

素因数分解:

$2^3\times 5^1\times {\mathrm{5258221}}^1$

素因数の和:5258232

約数の個数: 16

約数和(自身を含む): 473239980

約数和(自身を除く): 262911140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5258221, 10516442, 21032884, 26291105, 42065768, 52582210, 105164420, 210328840]

約数ペア:

[(1, 210328840), (2, 105164420), (4, 52582210), (5, 42065768), (8, 26291105), (10, 21032884), (20, 10516442), (40, 5258221)]