139678720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{27281}}^1$

素因数の和:27306

約数の個数: 44

約数和(自身を含む): 335077524

約数和(自身を除く): 195398804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 27281, 54562, 109124, 136405, 218248, 272810, 436496, 545620, 872992, 1091240, 1745984, 2182480, 3491968, 4364960, 6983936, 8729920, 13967872, 17459840, 27935744, 34919680, 69839360, 139678720]

約数ペア:

[(1, 139678720), (2, 69839360), (4, 34919680), (5, 27935744), (8, 17459840), (10, 13967872), (16, 8729920), (20, 6983936), (32, 4364960), (40, 3491968), (64, 2182480), (80, 1745984), (128, 1091240), (160, 872992), (256, 545620), (320, 436496), (512, 272810), (640, 218248), (1024, 136405), (1280, 109124), (2560, 54562), (5120, 27281)]