25402180

素因数分解:

$2^2\times 5^1\times {\mathrm{761}}^1\times {\mathrm{1669}}^1$

素因数の和:2439

約数の個数: 24

約数和(自身を含む): 53446680

約数和(自身を除く): 28044500

約数列:

[1, 2, 4, 5, 10, 20, 761, 1522, 1669, 3044, 3338, 3805, 6676, 7610, 8345, 15220, 16690, 33380, 1270109, 2540218, 5080436, 6350545, 12701090, 25402180]

約数ペア:

[(1, 25402180), (2, 12701090), (4, 6350545), (5, 5080436), (10, 2540218), (20, 1270109), (761, 33380), (1522, 16690), (1669, 15220), (3044, 8345), (3338, 7610), (3805, 6676)]