25782470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{839}}^1$

素因数の和:1292

約数の個数: 32

約数和(自身を含む): 53222400

約数和(自身を除く): 27439930

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 439, 839, 878, 1678, 2195, 3073, 4195, 4390, 5873, 6146, 8390, 11746, 15365, 29365, 30730, 58730, 368321, 736642, 1841605, 2578247, 3683210, 5156494, 12891235, 25782470]

約数ペア:

[(1, 25782470), (2, 12891235), (5, 5156494), (7, 3683210), (10, 2578247), (14, 1841605), (35, 736642), (70, 368321), (439, 58730), (839, 30730), (878, 29365), (1678, 15365), (2195, 11746), (3073, 8390), (4195, 6146), (4390, 5873)]