20004100

素因数分解:

$2^2\times 5^2\times {\mathrm{200041}}^1$

素因数の和:200055

約数の個数: 18

約数和(自身を含む): 43409114

約数和(自身を除く): 23405014

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 200041, 400082, 800164, 1000205, 2000410, 4000820, 5001025, 10002050, 20004100]

約数ペア:

[(1, 20004100), (2, 10002050), (4, 5001025), (5, 4000820), (10, 2000410), (20, 1000205), (25, 800164), (50, 400082), (100, 200041)]