129132280

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{8429}}^1$

素因数の和:8823

約数の個数: 32

約数和(自身を含む): 291340800

約数和(自身を除く): 162208520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1532, 1915, 3064, 3830, 7660, 8429, 15320, 16858, 33716, 42145, 67432, 84290, 168580, 337160, 3228307, 6456614, 12913228, 16141535, 25826456, 32283070, 64566140, 129132280]

約数ペア:

[(1, 129132280), (2, 64566140), (4, 32283070), (5, 25826456), (8, 16141535), (10, 12913228), (20, 6456614), (40, 3228307), (383, 337160), (766, 168580), (1532, 84290), (1915, 67432), (3064, 42145), (3830, 33716), (7660, 16858), (8429, 15320)]