2450820220

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{190577}}^1$

素因数の和:191229

約数の個数: 24

約数和(自身を含む): 5154753744

約数和(自身を除く): 2703933524

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3215, 6430, 12860, 190577, 381154, 762308, 952885, 1905770, 3811540, 122541011, 245082022, 490164044, 612705055, 1225410110, 2450820220]

約数ペア:

[(1, 2450820220), (2, 1225410110), (4, 612705055), (5, 490164044), (10, 245082022), (20, 122541011), (643, 3811540), (1286, 1905770), (2572, 952885), (3215, 762308), (6430, 381154), (12860, 190577)]