1057182020

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{82207}}^1$

素因数の和:82859

約数の個数: 24

約数和(自身を含む): 2223561984

約数和(自身を除く): 1166379964

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3215, 6430, 12860, 82207, 164414, 328828, 411035, 822070, 1644140, 52859101, 105718202, 211436404, 264295505, 528591010, 1057182020]

約数ペア:

[(1, 1057182020), (2, 528591010), (4, 264295505), (5, 211436404), (10, 105718202), (20, 52859101), (643, 1644140), (1286, 822070), (2572, 411035), (3215, 328828), (6430, 164414), (12860, 82207)]