25201880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:201

約数の個数: 96

約数和(自身を含む): 64350720

約数和(自身を除く): 39148840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 121, 127, 164, 205, 220, 242, 254, 328, 410, 440, 451, 484, 508, 605, 635, 820, 902, 968, 1016, 1210, 1270, 1397, 1640, 1804, 2255, 2420, 2540, 2794, 3608, 4510, 4840, 4961, 5080, 5207, 5588, 6985, 9020, 9922, 10414, 11176, 13970, 15367, 18040, 19844, 20828, 24805, 26035, 27940, 30734, 39688, 41656, 49610, 52070, 55880, 57277, 61468, 76835, 99220, 104140, 114554, 122936, 153670, 198440, 208280, 229108, 286385, 307340, 458216, 572770, 614680, 630047, 1145540, 1260094, 2291080, 2520188, 3150235, 5040376, 6300470, 12600940, 25201880]

約数ペア:

[(1, 25201880), (2, 12600940), (4, 6300470), (5, 5040376), (8, 3150235), (10, 2520188), (11, 2291080), (20, 1260094), (22, 1145540), (40, 630047), (41, 614680), (44, 572770), (55, 458216), (82, 307340), (88, 286385), (110, 229108), (121, 208280), (127, 198440), (164, 153670), (205, 122936), (220, 114554), (242, 104140), (254, 99220), (328, 76835), (410, 61468), (440, 57277), (451, 55880), (484, 52070), (508, 49610), (605, 41656), (635, 39688), (820, 30734), (902, 27940), (968, 26035), (1016, 24805), (1210, 20828), (1270, 19844), (1397, 18040), (1640, 15367), (1804, 13970), (2255, 11176), (2420, 10414), (2540, 9922), (2794, 9020), (3608, 6985), (4510, 5588), (4840, 5207), (4961, 5080)]