25968460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{739}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 62657280

約数和(自身を除く): 36688820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 502, 739, 1004, 1255, 1478, 1757, 2510, 2956, 3514, 3695, 5020, 5173, 7028, 7390, 8785, 10346, 14780, 17570, 20692, 25865, 35140, 51730, 103460, 185489, 370978, 741956, 927445, 1298423, 1854890, 2596846, 3709780, 5193692, 6492115, 12984230, 25968460]

約数ペア:

[(1, 25968460), (2, 12984230), (4, 6492115), (5, 5193692), (7, 3709780), (10, 2596846), (14, 1854890), (20, 1298423), (28, 927445), (35, 741956), (70, 370978), (140, 185489), (251, 103460), (502, 51730), (739, 35140), (1004, 25865), (1255, 20692), (1478, 17570), (1757, 14780), (2510, 10346), (2956, 8785), (3514, 7390), (3695, 7028), (5020, 5173)]