129314560

素因数分解:

$2^8\times 5^1\times {\mathrm{101027}}^1$

素因数の和:101048

約数の個数: 36

約数和(自身を含む): 309751848

約数和(自身を除く): 180437288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 101027, 202054, 404108, 505135, 808216, 1010270, 1616432, 2020540, 3232864, 4041080, 6465728, 8082160, 12931456, 16164320, 25862912, 32328640, 64657280, 129314560]

約数ペア:

[(1, 129314560), (2, 64657280), (4, 32328640), (5, 25862912), (8, 16164320), (10, 12931456), (16, 8082160), (20, 6465728), (32, 4041080), (40, 3232864), (64, 2020540), (80, 1616432), (128, 1010270), (160, 808216), (256, 505135), (320, 404108), (640, 202054), (1280, 101027)]