25420655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 34401024

約数和(自身を除く): 8980369

約数列:

[1, 5, 13, 47, 53, 65, 157, 235, 265, 611, 689, 785, 2041, 2491, 3055, 3445, 7379, 8321, 10205, 12455, 32383, 36895, 41605, 95927, 108173, 161915, 391087, 479635, 540865, 1955435, 5084131, 25420655]

約数ペア:

[(1, 25420655), (5, 5084131), (13, 1955435), (47, 540865), (53, 479635), (65, 391087), (157, 161915), (235, 108173), (265, 95927), (611, 41605), (689, 36895), (785, 32383), (2041, 12455), (2491, 10205), (3055, 8321), (3445, 7379)]