20251640

素因数分解:

$2^3\times 5^1\times {\mathrm{506291}}^1$

素因数の和:506302

約数の個数: 16

約数和(自身を含む): 45566280

約数和(自身を除く): 25314640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 506291, 1012582, 2025164, 2531455, 4050328, 5062910, 10125820, 20251640]

約数ペア:

[(1, 20251640), (2, 10125820), (4, 5062910), (5, 4050328), (8, 2531455), (10, 2025164), (20, 1012582), (40, 506291)]