2051720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4663}}^1$

素因数の和:4685

約数の個数: 32

約数和(自身を含む): 5037120

約数和(自身を除く): 2985400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4663, 9326, 18652, 23315, 37304, 46630, 51293, 93260, 102586, 186520, 205172, 256465, 410344, 512930, 1025860, 2051720]

約数ペア:

[(1, 2051720), (2, 1025860), (4, 512930), (5, 410344), (8, 256465), (10, 205172), (11, 186520), (20, 102586), (22, 93260), (40, 51293), (44, 46630), (55, 37304), (88, 23315), (110, 18652), (220, 9326), (440, 4663)]