1640284144

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{337}}^1\times {\mathrm{4987}}^1$

素因数の和:5393

約数の個数: 40

約数和(自身を含む): 3240384368

約数和(自身を除く): 1600100224

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 337, 488, 674, 976, 1348, 2696, 4987, 5392, 9974, 19948, 20557, 39896, 41114, 79792, 82228, 164456, 304207, 328912, 608414, 1216828, 1680619, 2433656, 3361238, 4867312, 6722476, 13444952, 26889904, 102517759, 205035518, 410071036, 820142072, 1640284144]

約数ペア:

[(1, 1640284144), (2, 820142072), (4, 410071036), (8, 205035518), (16, 102517759), (61, 26889904), (122, 13444952), (244, 6722476), (337, 4867312), (488, 3361238), (674, 2433656), (976, 1680619), (1348, 1216828), (2696, 608414), (4987, 328912), (5392, 304207), (9974, 164456), (19948, 82228), (20557, 79792), (39896, 41114)]