80768000

素因数分解:

$2^{10}\times 5^3\times {\mathrm{631}}^1$

素因数の和:666

約数の個数: 88

約数和(自身を含む): 201817824

約数和(自身を除く): 121049824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 512, 631, 640, 800, 1000, 1024, 1262, 1280, 1600, 2000, 2524, 2560, 3155, 3200, 4000, 5048, 5120, 6310, 6400, 8000, 10096, 12620, 12800, 15775, 16000, 20192, 25240, 25600, 31550, 32000, 40384, 50480, 63100, 64000, 78875, 80768, 100960, 126200, 128000, 157750, 161536, 201920, 252400, 315500, 323072, 403840, 504800, 631000, 646144, 807680, 1009600, 1262000, 1615360, 2019200, 2524000, 3230720, 4038400, 5048000, 8076800, 10096000, 16153600, 20192000, 40384000, 80768000]

約数ペア:

[(1, 80768000), (2, 40384000), (4, 20192000), (5, 16153600), (8, 10096000), (10, 8076800), (16, 5048000), (20, 4038400), (25, 3230720), (32, 2524000), (40, 2019200), (50, 1615360), (64, 1262000), (80, 1009600), (100, 807680), (125, 646144), (128, 631000), (160, 504800), (200, 403840), (250, 323072), (256, 315500), (320, 252400), (400, 201920), (500, 161536), (512, 157750), (631, 128000), (640, 126200), (800, 100960), (1000, 80768), (1024, 78875), (1262, 64000), (1280, 63100), (1600, 50480), (2000, 40384), (2524, 32000), (2560, 31550), (3155, 25600), (3200, 25240), (4000, 20192), (5048, 16000), (5120, 15775), (6310, 12800), (6400, 12620), (8000, 10096)]