2581300

素因数分解:

$2^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{311}}^1$

素因数の和:408

約数の個数: 36

約数和(自身を含む): 5687136

約数和(自身を除く): 3105836

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 83, 100, 166, 311, 332, 415, 622, 830, 1244, 1555, 1660, 2075, 3110, 4150, 6220, 7775, 8300, 15550, 25813, 31100, 51626, 103252, 129065, 258130, 516260, 645325, 1290650, 2581300]

約数ペア:

[(1, 2581300), (2, 1290650), (4, 645325), (5, 516260), (10, 258130), (20, 129065), (25, 103252), (50, 51626), (83, 31100), (100, 25813), (166, 15550), (311, 8300), (332, 7775), (415, 6220), (622, 4150), (830, 3110), (1244, 2075), (1555, 1660)]