87155480

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{5689}}^1$

素因数の和:6083

約数の個数: 32

約数和(自身を含む): 196646400

約数和(自身を除く): 109490920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1532, 1915, 3064, 3830, 5689, 7660, 11378, 15320, 22756, 28445, 45512, 56890, 113780, 227560, 2178887, 4357774, 8715548, 10894435, 17431096, 21788870, 43577740, 87155480]

約数ペア:

[(1, 87155480), (2, 43577740), (4, 21788870), (5, 17431096), (8, 10894435), (10, 8715548), (20, 4357774), (40, 2178887), (383, 227560), (766, 113780), (1532, 56890), (1915, 45512), (3064, 28445), (3830, 22756), (5689, 15320), (7660, 11378)]