225165740

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{17509}}^1$

素因数の和:18161

約数の個数: 24

約数和(自身を含む): 473610480

約数和(自身を除く): 248444740

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3215, 6430, 12860, 17509, 35018, 70036, 87545, 175090, 350180, 11258287, 22516574, 45033148, 56291435, 112582870, 225165740]

約数ペア:

[(1, 225165740), (2, 112582870), (4, 56291435), (5, 45033148), (10, 22516574), (20, 11258287), (643, 350180), (1286, 175090), (2572, 87545), (3215, 70036), (6430, 35018), (12860, 17509)]