25253480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{90191}}^1$

素因数の和:90209

約数の個数: 32

約数和(自身を含む): 64938240

約数和(自身を除く): 39684760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 90191, 180382, 360764, 450955, 631337, 721528, 901910, 1262674, 1803820, 2525348, 3156685, 3607640, 5050696, 6313370, 12626740, 25253480]

約数ペア:

[(1, 25253480), (2, 12626740), (4, 6313370), (5, 5050696), (7, 3607640), (8, 3156685), (10, 2525348), (14, 1803820), (20, 1262674), (28, 901910), (35, 721528), (40, 631337), (56, 450955), (70, 360764), (140, 180382), (280, 90191)]