89409370

素因数分解:

$2^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{19913}}^1$

素因数の和:20369

約数の個数: 16

約数和(自身を含む): 161303400

約数和(自身を除く): 71894030

約数列:

[1, 2, 5, 10, 449, 898, 2245, 4490, 19913, 39826, 99565, 199130, 8940937, 17881874, 44704685, 89409370]

約数ペア:

[(1, 89409370), (2, 44704685), (5, 17881874), (10, 8940937), (449, 199130), (898, 99565), (2245, 39826), (4490, 19913)]