25260725

素因数分解:

$5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1213}}^1$

素因数の和:1254

約数の個数: 36

約数和(自身を含む): 38612484

約数和(自身を除く): 13351759

約数列:

[1, 5, 7, 17, 25, 35, 49, 85, 119, 175, 245, 425, 595, 833, 1213, 1225, 2975, 4165, 6065, 8491, 20621, 20825, 30325, 42455, 59437, 103105, 144347, 212275, 297185, 515525, 721735, 1010429, 1485925, 3608675, 5052145, 25260725]

約数ペア:

[(1, 25260725), (5, 5052145), (7, 3608675), (17, 1485925), (25, 1010429), (35, 721735), (49, 515525), (85, 297185), (119, 212275), (175, 144347), (245, 103105), (425, 59437), (595, 42455), (833, 30325), (1213, 20825), (1225, 20621), (2975, 8491), (4165, 6065)]