2021984840

素因数分解:

$2^3\times 5^1\times {\mathrm{50549621}}^1$

素因数の和:50549632

約数の個数: 16

約数和(自身を含む): 4549465980

約数和(自身を除く): 2527481140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50549621, 101099242, 202198484, 252748105, 404396968, 505496210, 1010992420, 2021984840]

約数ペア:

[(1, 2021984840), (2, 1010992420), (4, 505496210), (5, 404396968), (8, 252748105), (10, 202198484), (20, 101099242), (40, 50549621)]