39403840

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{359}}^1$

素因数の和:397

約数の個数: 112

約数和(自身を含む): 109728000

約数和(自身を除く): 70324160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 343, 359, 392, 448, 490, 560, 686, 718, 784, 980, 1120, 1372, 1436, 1568, 1715, 1795, 1960, 2240, 2513, 2744, 2872, 3136, 3430, 3590, 3920, 5026, 5488, 5744, 6860, 7180, 7840, 10052, 10976, 11488, 12565, 13720, 14360, 15680, 17591, 20104, 21952, 22976, 25130, 27440, 28720, 35182, 40208, 50260, 54880, 57440, 70364, 80416, 87955, 100520, 109760, 114880, 123137, 140728, 160832, 175910, 201040, 246274, 281456, 351820, 402080, 492548, 562912, 615685, 703640, 804160, 985096, 1125824, 1231370, 1407280, 1970192, 2462740, 2814560, 3940384, 4925480, 5629120, 7880768, 9850960, 19701920, 39403840]

約数ペア:

[(1, 39403840), (2, 19701920), (4, 9850960), (5, 7880768), (7, 5629120), (8, 4925480), (10, 3940384), (14, 2814560), (16, 2462740), (20, 1970192), (28, 1407280), (32, 1231370), (35, 1125824), (40, 985096), (49, 804160), (56, 703640), (64, 615685), (70, 562912), (80, 492548), (98, 402080), (112, 351820), (140, 281456), (160, 246274), (196, 201040), (224, 175910), (245, 160832), (280, 140728), (320, 123137), (343, 114880), (359, 109760), (392, 100520), (448, 87955), (490, 80416), (560, 70364), (686, 57440), (718, 54880), (784, 50260), (980, 40208), (1120, 35182), (1372, 28720), (1436, 27440), (1568, 25130), (1715, 22976), (1795, 21952), (1960, 20104), (2240, 17591), (2513, 15680), (2744, 14360), (2872, 13720), (3136, 12565), (3430, 11488), (3590, 10976), (3920, 10052), (5026, 7840), (5488, 7180), (5744, 6860)]