25413730

素因数分解:

$2^1\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{1987}}^1$

素因数の和:3273

約数の個数: 16

約数和(自身を含む): 45803520

約数和(自身を除く): 20389790

約数列:

[1, 2, 5, 10, 1279, 1987, 2558, 3974, 6395, 9935, 12790, 19870, 2541373, 5082746, 12706865, 25413730]

約数ペア:

[(1, 25413730), (2, 12706865), (5, 5082746), (10, 2541373), (1279, 19870), (1987, 12790), (2558, 9935), (3974, 6395)]