51120640

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1051}}^1$

素因数の和:1093

約数の個数: 80

約数和(自身を含む): 129143520

約数和(自身を除く): 78022880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1051, 1216, 1280, 1520, 2102, 2432, 2560, 3040, 4204, 4864, 5255, 6080, 8408, 9728, 10510, 12160, 16816, 19969, 21020, 24320, 33632, 39938, 42040, 48640, 67264, 79876, 84080, 99845, 134528, 159752, 168160, 199690, 269056, 319504, 336320, 399380, 538112, 639008, 672640, 798760, 1278016, 1345280, 1597520, 2556032, 2690560, 3195040, 5112064, 6390080, 10224128, 12780160, 25560320, 51120640]

約数ペア:

[(1, 51120640), (2, 25560320), (4, 12780160), (5, 10224128), (8, 6390080), (10, 5112064), (16, 3195040), (19, 2690560), (20, 2556032), (32, 1597520), (38, 1345280), (40, 1278016), (64, 798760), (76, 672640), (80, 639008), (95, 538112), (128, 399380), (152, 336320), (160, 319504), (190, 269056), (256, 199690), (304, 168160), (320, 159752), (380, 134528), (512, 99845), (608, 84080), (640, 79876), (760, 67264), (1051, 48640), (1216, 42040), (1280, 39938), (1520, 33632), (2102, 24320), (2432, 21020), (2560, 19969), (3040, 16816), (4204, 12160), (4864, 10510), (5255, 9728), (6080, 8408)]