51125140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{827}}^1$

素因数の和:1128

約数の個数: 48

約数和(自身を含む): 117681984

約数和(自身を除く): 66556844

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 281, 562, 827, 1124, 1405, 1654, 2810, 3091, 3308, 4135, 5620, 6182, 8270, 9097, 12364, 15455, 16540, 18194, 30910, 36388, 45485, 61820, 90970, 181940, 232387, 464774, 929548, 1161935, 2323870, 2556257, 4647740, 5112514, 10225028, 12781285, 25562570, 51125140]

約数ペア:

[(1, 51125140), (2, 25562570), (4, 12781285), (5, 10225028), (10, 5112514), (11, 4647740), (20, 2556257), (22, 2323870), (44, 1161935), (55, 929548), (110, 464774), (220, 232387), (281, 181940), (562, 90970), (827, 61820), (1124, 45485), (1405, 36388), (1654, 30910), (2810, 18194), (3091, 16540), (3308, 15455), (4135, 12364), (5620, 9097), (6182, 8270)]