80680000

素因数分解:

$2^6\times 5^4\times {\mathrm{2017}}^1$

素因数の和:2049

約数の個数: 70

約数和(自身を含む): 200159366

約数和(自身を除く): 119479366

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 625, 800, 1000, 1250, 1600, 2000, 2017, 2500, 4000, 4034, 5000, 8000, 8068, 10000, 10085, 16136, 20000, 20170, 32272, 40000, 40340, 50425, 64544, 80680, 100850, 129088, 161360, 201700, 252125, 322720, 403400, 504250, 645440, 806800, 1008500, 1260625, 1613600, 2017000, 2521250, 3227200, 4034000, 5042500, 8068000, 10085000, 16136000, 20170000, 40340000, 80680000]

約数ペア:

[(1, 80680000), (2, 40340000), (4, 20170000), (5, 16136000), (8, 10085000), (10, 8068000), (16, 5042500), (20, 4034000), (25, 3227200), (32, 2521250), (40, 2017000), (50, 1613600), (64, 1260625), (80, 1008500), (100, 806800), (125, 645440), (160, 504250), (200, 403400), (250, 322720), (320, 252125), (400, 201700), (500, 161360), (625, 129088), (800, 100850), (1000, 80680), (1250, 64544), (1600, 50425), (2000, 40340), (2017, 40000), (2500, 32272), (4000, 20170), (4034, 20000), (5000, 16136), (8000, 10085), (8068, 10000)]