25608280

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^2\times {\mathrm{127}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 58901760

約数和(自身を除く): 33293480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 127, 142, 254, 284, 355, 508, 568, 635, 710, 1016, 1270, 1420, 2540, 2840, 5041, 5080, 9017, 10082, 18034, 20164, 25205, 36068, 40328, 45085, 50410, 72136, 90170, 100820, 180340, 201640, 360680, 640207, 1280414, 2560828, 3201035, 5121656, 6402070, 12804140, 25608280]

約数ペア:

[(1, 25608280), (2, 12804140), (4, 6402070), (5, 5121656), (8, 3201035), (10, 2560828), (20, 1280414), (40, 640207), (71, 360680), (127, 201640), (142, 180340), (254, 100820), (284, 90170), (355, 72136), (508, 50410), (568, 45085), (635, 40328), (710, 36068), (1016, 25205), (1270, 20164), (1420, 18034), (2540, 10082), (2840, 9017), (5041, 5080)]