28627820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1069}}^1$

素因数の和:1194

約数の個数: 48

約数和(自身を含む): 65432640

約数和(自身を除く): 36804820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 206, 260, 412, 515, 1030, 1069, 1339, 2060, 2138, 2678, 4276, 5345, 5356, 6695, 10690, 13390, 13897, 21380, 26780, 27794, 55588, 69485, 110107, 138970, 220214, 277940, 440428, 550535, 1101070, 1431391, 2202140, 2862782, 5725564, 7156955, 14313910, 28627820]

約数ペア:

[(1, 28627820), (2, 14313910), (4, 7156955), (5, 5725564), (10, 2862782), (13, 2202140), (20, 1431391), (26, 1101070), (52, 550535), (65, 440428), (103, 277940), (130, 220214), (206, 138970), (260, 110107), (412, 69485), (515, 55588), (1030, 27794), (1069, 26780), (1339, 21380), (2060, 13897), (2138, 13390), (2678, 10690), (4276, 6695), (5345, 5356)]