260685280

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{12829}}^1$

素因数の和:12971

約数の個数: 48

約数和(自身を含む): 620766720

約数和(自身を除く): 360081440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 10160, 12829, 20320, 25658, 51316, 64145, 102632, 128290, 205264, 256580, 410528, 513160, 1026320, 1629283, 2052640, 3258566, 6517132, 8146415, 13034264, 16292830, 26068528, 32585660, 52137056, 65171320, 130342640, 260685280]

約数ペア:

[(1, 260685280), (2, 130342640), (4, 65171320), (5, 52137056), (8, 32585660), (10, 26068528), (16, 16292830), (20, 13034264), (32, 8146415), (40, 6517132), (80, 3258566), (127, 2052640), (160, 1629283), (254, 1026320), (508, 513160), (635, 410528), (1016, 256580), (1270, 205264), (2032, 128290), (2540, 102632), (4064, 64145), (5080, 51316), (10160, 25658), (12829, 20320)]