25241720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{90149}}^1$

素因数の和:90167

約数の個数: 32

約数和(自身を含む): 64908000

約数和(自身を除く): 39666280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 90149, 180298, 360596, 450745, 631043, 721192, 901490, 1262086, 1802980, 2524172, 3155215, 3605960, 5048344, 6310430, 12620860, 25241720]

約数ペア:

[(1, 25241720), (2, 12620860), (4, 6310430), (5, 5048344), (7, 3605960), (8, 3155215), (10, 2524172), (14, 1802980), (20, 1262086), (28, 901490), (35, 721192), (40, 631043), (56, 450745), (70, 360596), (140, 180298), (280, 90149)]