12800400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{10667}}^1$

素因数の和:10688

約数の個数: 60

約数和(自身を含む): 41007792

約数和(自身を除く): 28207392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 150, 200, 240, 300, 400, 600, 1200, 10667, 21334, 32001, 42668, 53335, 64002, 85336, 106670, 128004, 160005, 170672, 213340, 256008, 266675, 320010, 426680, 512016, 533350, 640020, 800025, 853360, 1066700, 1280040, 1600050, 2133400, 2560080, 3200100, 4266800, 6400200, 12800400]

約数ペア:

[(1, 12800400), (2, 6400200), (3, 4266800), (4, 3200100), (5, 2560080), (6, 2133400), (8, 1600050), (10, 1280040), (12, 1066700), (15, 853360), (16, 800025), (20, 640020), (24, 533350), (25, 512016), (30, 426680), (40, 320010), (48, 266675), (50, 256008), (60, 213340), (75, 170672), (80, 160005), (100, 128004), (120, 106670), (150, 85336), (200, 64002), (240, 53335), (300, 42668), (400, 32001), (600, 21334), (1200, 10667)]