8533840

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{311}}^1$

素因数の和:345

約数の個数: 80

約数和(自身を含む): 23212800

約数和(自身を除く): 14678960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 311, 343, 392, 490, 560, 622, 686, 784, 980, 1244, 1372, 1555, 1715, 1960, 2177, 2488, 2744, 3110, 3430, 3920, 4354, 4976, 5488, 6220, 6860, 8708, 10885, 12440, 13720, 15239, 17416, 21770, 24880, 27440, 30478, 34832, 43540, 60956, 76195, 87080, 106673, 121912, 152390, 174160, 213346, 243824, 304780, 426692, 533365, 609560, 853384, 1066730, 1219120, 1706768, 2133460, 4266920, 8533840]

約数ペア:

[(1, 8533840), (2, 4266920), (4, 2133460), (5, 1706768), (7, 1219120), (8, 1066730), (10, 853384), (14, 609560), (16, 533365), (20, 426692), (28, 304780), (35, 243824), (40, 213346), (49, 174160), (56, 152390), (70, 121912), (80, 106673), (98, 87080), (112, 76195), (140, 60956), (196, 43540), (245, 34832), (280, 30478), (311, 27440), (343, 24880), (392, 21770), (490, 17416), (560, 15239), (622, 13720), (686, 12440), (784, 10885), (980, 8708), (1244, 6860), (1372, 6220), (1555, 5488), (1715, 4976), (1960, 4354), (2177, 3920), (2488, 3430), (2744, 3110)]