54809440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{6991}}^1$

素因数の和:7020

約数の個数: 72

約数和(自身を含む): 150649632

約数和(自身を除く): 95840192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 6991, 7840, 13982, 27964, 34955, 48937, 55928, 69910, 97874, 111856, 139820, 195748, 223712, 244685, 279640, 342559, 391496, 489370, 559280, 685118, 782992, 978740, 1118560, 1370236, 1565984, 1712795, 1957480, 2740472, 3425590, 3914960, 5480944, 6851180, 7829920, 10961888, 13702360, 27404720, 54809440]

約数ペア:

[(1, 54809440), (2, 27404720), (4, 13702360), (5, 10961888), (7, 7829920), (8, 6851180), (10, 5480944), (14, 3914960), (16, 3425590), (20, 2740472), (28, 1957480), (32, 1712795), (35, 1565984), (40, 1370236), (49, 1118560), (56, 978740), (70, 782992), (80, 685118), (98, 559280), (112, 489370), (140, 391496), (160, 342559), (196, 279640), (224, 244685), (245, 223712), (280, 195748), (392, 139820), (490, 111856), (560, 97874), (784, 69910), (980, 55928), (1120, 48937), (1568, 34955), (1960, 27964), (3920, 13982), (6991, 7840)]