25520480

素因数分解:

$2^5\times 5^1\times {\mathrm{159503}}^1$

素因数の和:159518

約数の個数: 24

約数和(自身を含む): 60292512

約数和(自身を除く): 34772032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 159503, 319006, 638012, 797515, 1276024, 1595030, 2552048, 3190060, 5104096, 6380120, 12760240, 25520480]

約数ペア:

[(1, 25520480), (2, 12760240), (4, 6380120), (5, 5104096), (8, 3190060), (10, 2552048), (16, 1595030), (20, 1276024), (32, 797515), (40, 638012), (80, 319006), (160, 159503)]