24991660

素因数分解:

$2^2\times 5^1\times {\mathrm{977}}^1\times {\mathrm{1279}}^1$

素因数の和:2265

約数の個数: 24

約数和(自身を含む): 52577280

約数和(自身を除く): 27585620

約数列:

[1, 2, 4, 5, 10, 20, 977, 1279, 1954, 2558, 3908, 4885, 5116, 6395, 9770, 12790, 19540, 25580, 1249583, 2499166, 4998332, 6247915, 12495830, 24991660]

約数ペア:

[(1, 24991660), (2, 12495830), (4, 6247915), (5, 4998332), (10, 2499166), (20, 1249583), (977, 25580), (1279, 19540), (1954, 12790), (2558, 9770), (3908, 6395), (4885, 5116)]