2051239120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3662927}}^1$

素因数の和:3662947

約数の個数: 40

約数和(自身を含む): 5450436864

約数和(自身を除く): 3399197744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3662927, 7325854, 14651708, 18314635, 25640489, 29303416, 36629270, 51280978, 58606832, 73258540, 102561956, 128202445, 146517080, 205123912, 256404890, 293034160, 410247824, 512809780, 1025619560, 2051239120]

約数ペア:

[(1, 2051239120), (2, 1025619560), (4, 512809780), (5, 410247824), (7, 293034160), (8, 256404890), (10, 205123912), (14, 146517080), (16, 128202445), (20, 102561956), (28, 73258540), (35, 58606832), (40, 51280978), (56, 36629270), (70, 29303416), (80, 25640489), (112, 18314635), (140, 14651708), (280, 7325854), (560, 3662927)]