25165280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{22469}}^1$

素因数の和:22491

約数の個数: 48

約数和(自身を含む): 67949280

約数和(自身を除く): 42784000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 22469, 44938, 89876, 112345, 157283, 179752, 224690, 314566, 359504, 449380, 629132, 719008, 786415, 898760, 1258264, 1572830, 1797520, 2516528, 3145660, 3595040, 5033056, 6291320, 12582640, 25165280]

約数ペア:

[(1, 25165280), (2, 12582640), (4, 6291320), (5, 5033056), (7, 3595040), (8, 3145660), (10, 2516528), (14, 1797520), (16, 1572830), (20, 1258264), (28, 898760), (32, 786415), (35, 719008), (40, 629132), (56, 449380), (70, 359504), (80, 314566), (112, 224690), (140, 179752), (160, 157283), (224, 112345), (280, 89876), (560, 44938), (1120, 22469)]