201022100

素因数分解:

$2^2\times 5^2\times {\mathrm{2010221}}^1$

素因数の和:2010235

約数の個数: 18

約数和(自身を含む): 436218174

約数和(自身を除く): 235196074

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2010221, 4020442, 8040884, 10051105, 20102210, 40204420, 50255525, 100511050, 201022100]

約数ペア:

[(1, 201022100), (2, 100511050), (4, 50255525), (5, 40204420), (10, 20102210), (20, 10051105), (25, 8040884), (50, 4020442), (100, 2010221)]