6781720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15413}}^1$

素因数の和:15435

約数の個数: 32

約数和(自身を含む): 16647120

約数和(自身を除く): 9865400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 15413, 30826, 61652, 77065, 123304, 154130, 169543, 308260, 339086, 616520, 678172, 847715, 1356344, 1695430, 3390860, 6781720]

約数ペア:

[(1, 6781720), (2, 3390860), (4, 1695430), (5, 1356344), (8, 847715), (10, 678172), (11, 616520), (20, 339086), (22, 308260), (40, 169543), (44, 154130), (55, 123304), (88, 77065), (110, 61652), (220, 30826), (440, 15413)]