6400480

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:491

約数の個数: 48

約数和(自身を含む): 15301440

約数和(自身を除く): 8900960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 367, 436, 545, 734, 872, 1090, 1468, 1744, 1835, 2180, 2936, 3488, 3670, 4360, 5872, 7340, 8720, 11744, 14680, 17440, 29360, 40003, 58720, 80006, 160012, 200015, 320024, 400030, 640048, 800060, 1280096, 1600120, 3200240, 6400480]

約数ペア:

[(1, 6400480), (2, 3200240), (4, 1600120), (5, 1280096), (8, 800060), (10, 640048), (16, 400030), (20, 320024), (32, 200015), (40, 160012), (80, 80006), (109, 58720), (160, 40003), (218, 29360), (367, 17440), (436, 14680), (545, 11744), (734, 8720), (872, 7340), (1090, 5872), (1468, 4360), (1744, 3670), (1835, 3488), (2180, 2936)]