25707080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{91811}}^1$

素因数の和:91829

約数の個数: 32

約数和(自身を含む): 66104640

約数和(自身を除く): 40397560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 91811, 183622, 367244, 459055, 642677, 734488, 918110, 1285354, 1836220, 2570708, 3213385, 3672440, 5141416, 6426770, 12853540, 25707080]

約数ペア:

[(1, 25707080), (2, 12853540), (4, 6426770), (5, 5141416), (7, 3672440), (8, 3213385), (10, 2570708), (14, 1836220), (20, 1285354), (28, 918110), (35, 734488), (40, 642677), (56, 459055), (70, 367244), (140, 183622), (280, 91811)]