16001200

素因数分解:

$2^4\times 5^2\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:494

約数の個数: 60

約数和(自身を含む): 38901280

約数和(自身を除く): 22900080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 109, 200, 218, 367, 400, 436, 545, 734, 872, 1090, 1468, 1744, 1835, 2180, 2725, 2936, 3670, 4360, 5450, 5872, 7340, 8720, 9175, 10900, 14680, 18350, 21800, 29360, 36700, 40003, 43600, 73400, 80006, 146800, 160012, 200015, 320024, 400030, 640048, 800060, 1000075, 1600120, 2000150, 3200240, 4000300, 8000600, 16001200]

約数ペア:

[(1, 16001200), (2, 8000600), (4, 4000300), (5, 3200240), (8, 2000150), (10, 1600120), (16, 1000075), (20, 800060), (25, 640048), (40, 400030), (50, 320024), (80, 200015), (100, 160012), (109, 146800), (200, 80006), (218, 73400), (367, 43600), (400, 40003), (436, 36700), (545, 29360), (734, 21800), (872, 18350), (1090, 14680), (1468, 10900), (1744, 9175), (1835, 8720), (2180, 7340), (2725, 5872), (2936, 5450), (3670, 4360)]