8971280

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{883}}^1$

素因数の和:1023

約数の個数: 40

約数和(自身を含む): 21046272

約数和(自身を除く): 12074992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 883, 1016, 1270, 1766, 2032, 2540, 3532, 4415, 5080, 7064, 8830, 10160, 14128, 17660, 35320, 70640, 112141, 224282, 448564, 560705, 897128, 1121410, 1794256, 2242820, 4485640, 8971280]

約数ペア:

[(1, 8971280), (2, 4485640), (4, 2242820), (5, 1794256), (8, 1121410), (10, 897128), (16, 560705), (20, 448564), (40, 224282), (80, 112141), (127, 70640), (254, 35320), (508, 17660), (635, 14128), (883, 10160), (1016, 8830), (1270, 7064), (1766, 5080), (2032, 4415), (2540, 3532)]