10881820

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1559}}^1$

素因数の和:1917

約数の個数: 24

約数和(自身を含む): 22932000

約数和(自身を除く): 12050180

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1559, 1745, 3118, 3490, 6236, 6980, 7795, 15590, 31180, 544091, 1088182, 2176364, 2720455, 5440910, 10881820]

約数ペア:

[(1, 10881820), (2, 5440910), (4, 2720455), (5, 2176364), (10, 1088182), (20, 544091), (349, 31180), (698, 15590), (1396, 7795), (1559, 6980), (1745, 6236), (3118, 3490)]