25742920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{91939}}^1$

素因数の和:91957

約数の個数: 32

約数和(自身を含む): 66196800

約数和(自身を除く): 40453880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 91939, 183878, 367756, 459695, 643573, 735512, 919390, 1287146, 1838780, 2574292, 3217865, 3677560, 5148584, 6435730, 12871460, 25742920]

約数ペア:

[(1, 25742920), (2, 12871460), (4, 6435730), (5, 5148584), (7, 3677560), (8, 3217865), (10, 2574292), (14, 1838780), (20, 1287146), (28, 919390), (35, 735512), (40, 643573), (56, 459695), (70, 367756), (140, 183878), (280, 91939)]