25304656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{337}}^1$

素因数の和:396

約数の個数: 60

約数和(自身を含む): 55889652

約数和(自身を除く): 30584996

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 337, 361, 494, 674, 722, 988, 1348, 1444, 1976, 2696, 2888, 3952, 4381, 4693, 5392, 5776, 6403, 8762, 9386, 12806, 17524, 18772, 25612, 35048, 37544, 51224, 70096, 75088, 83239, 102448, 121657, 166478, 243314, 332956, 486628, 665912, 973256, 1331824, 1581541, 1946512, 3163082, 6326164, 12652328, 25304656]

約数ペア:

[(1, 25304656), (2, 12652328), (4, 6326164), (8, 3163082), (13, 1946512), (16, 1581541), (19, 1331824), (26, 973256), (38, 665912), (52, 486628), (76, 332956), (104, 243314), (152, 166478), (208, 121657), (247, 102448), (304, 83239), (337, 75088), (361, 70096), (494, 51224), (674, 37544), (722, 35048), (988, 25612), (1348, 18772), (1444, 17524), (1976, 12806), (2696, 9386), (2888, 8762), (3952, 6403), (4381, 5776), (4693, 5392)]