51078280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4003}}^1$

素因数の和:4054

約数の個数: 64

約数和(自身を含む): 129729600

約数和(自身を除く): 78651320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1595, 2552, 3190, 4003, 6380, 8006, 12760, 16012, 20015, 32024, 40030, 44033, 80060, 88066, 116087, 160120, 176132, 220165, 232174, 352264, 440330, 464348, 580435, 880660, 928696, 1160870, 1276957, 1761320, 2321740, 2553914, 4643480, 5107828, 6384785, 10215656, 12769570, 25539140, 51078280]

約数ペア:

[(1, 51078280), (2, 25539140), (4, 12769570), (5, 10215656), (8, 6384785), (10, 5107828), (11, 4643480), (20, 2553914), (22, 2321740), (29, 1761320), (40, 1276957), (44, 1160870), (55, 928696), (58, 880660), (88, 580435), (110, 464348), (116, 440330), (145, 352264), (220, 232174), (232, 220165), (290, 176132), (319, 160120), (440, 116087), (580, 88066), (638, 80060), (1160, 44033), (1276, 40030), (1595, 32024), (2552, 20015), (3190, 16012), (4003, 12760), (6380, 8006)]