25131320

素因数分解:

$2^3\times 5^1\times {\mathrm{433}}^1\times {\mathrm{1451}}^1$

素因数の和:1895

約数の個数: 32

約数和(自身を含む): 56715120

約数和(自身を除く): 31583800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 433, 866, 1451, 1732, 2165, 2902, 3464, 4330, 5804, 7255, 8660, 11608, 14510, 17320, 29020, 58040, 628283, 1256566, 2513132, 3141415, 5026264, 6282830, 12565660, 25131320]

約数ペア:

[(1, 25131320), (2, 12565660), (4, 6282830), (5, 5026264), (8, 3141415), (10, 2513132), (20, 1256566), (40, 628283), (433, 58040), (866, 29020), (1451, 17320), (1732, 14510), (2165, 11608), (2902, 8660), (3464, 7255), (4330, 5804)]