2020123550

素因数分解:

$2^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{223}}^1\times {\mathrm{1759}}^1$

素因数の和:2097

約数の個数: 48

約数和(自身を含む): 3813089280

約数和(自身を除く): 1792965730

約数列:

[1, 2, 5, 10, 25, 50, 103, 206, 223, 446, 515, 1030, 1115, 1759, 2230, 2575, 3518, 5150, 5575, 8795, 11150, 17590, 22969, 43975, 45938, 87950, 114845, 181177, 229690, 362354, 392257, 574225, 784514, 905885, 1148450, 1811770, 1961285, 3922570, 4529425, 9058850, 9806425, 19612850, 40402471, 80804942, 202012355, 404024710, 1010061775, 2020123550]

約数ペア:

[(1, 2020123550), (2, 1010061775), (5, 404024710), (10, 202012355), (25, 80804942), (50, 40402471), (103, 19612850), (206, 9806425), (223, 9058850), (446, 4529425), (515, 3922570), (1030, 1961285), (1115, 1811770), (1759, 1148450), (2230, 905885), (2575, 784514), (3518, 574225), (5150, 392257), (5575, 362354), (8795, 229690), (11150, 181177), (17590, 114845), (22969, 87950), (43975, 45938)]