89005820

素因数分解:

$2^2\times 5^1\times {\mathrm{4450291}}^1$

素因数の和:4450300

約数の個数: 12

約数和(自身を含む): 186912264

約数和(自身を除く): 97906444

約数列:

[1, 2, 4, 5, 10, 20, 4450291, 8900582, 17801164, 22251455, 44502910, 89005820]

約数ペア:

[(1, 89005820), (2, 44502910), (4, 22251455), (5, 17801164), (10, 8900582), (20, 4450291)]