42575020

素因数分解:

$2^2\times 5^1\times {\mathrm{2128751}}^1$

素因数の和:2128760

約数の個数: 12

約数和(自身を含む): 89407584

約数和(自身を除く): 46832564

約数列:

[1, 2, 4, 5, 10, 20, 2128751, 4257502, 8515004, 10643755, 21287510, 42575020]

約数ペア:

[(1, 42575020), (2, 21287510), (4, 10643755), (5, 8515004), (10, 4257502), (20, 2128751)]