25948400

素因数分解:

$2^4\times 5^2\times {\mathrm{64871}}^1$

素因数の和:64889

約数の個数: 30

約数和(自身を含む): 62341992

約数和(自身を除く): 36393592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 64871, 129742, 259484, 324355, 518968, 648710, 1037936, 1297420, 1621775, 2594840, 3243550, 5189680, 6487100, 12974200, 25948400]

約数ペア:

[(1, 25948400), (2, 12974200), (4, 6487100), (5, 5189680), (8, 3243550), (10, 2594840), (16, 1621775), (20, 1297420), (25, 1037936), (40, 648710), (50, 518968), (80, 324355), (100, 259484), (200, 129742), (400, 64871)]