2641360

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:391

約数の個数: 40

約数和(自身を含む): 6211656

約数和(自身を除く): 3570296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 241, 274, 482, 548, 685, 964, 1096, 1205, 1370, 1928, 2192, 2410, 2740, 3856, 4820, 5480, 9640, 10960, 19280, 33017, 66034, 132068, 165085, 264136, 330170, 528272, 660340, 1320680, 2641360]

約数ペア:

[(1, 2641360), (2, 1320680), (4, 660340), (5, 528272), (8, 330170), (10, 264136), (16, 165085), (20, 132068), (40, 66034), (80, 33017), (137, 19280), (241, 10960), (274, 9640), (482, 5480), (548, 4820), (685, 3856), (964, 2740), (1096, 2410), (1205, 2192), (1370, 1928)]