127243220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15787}}^1$

素因数の和:15840

約数の個数: 48

約数和(自身を含む): 297067008

約数和(自身を除く): 169823788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 15787, 31574, 63148, 78935, 157870, 205231, 315740, 410462, 489397, 820924, 978794, 1026155, 1957588, 2052310, 2446985, 4104620, 4893970, 6362161, 9787940, 12724322, 25448644, 31810805, 63621610, 127243220]

約数ペア:

[(1, 127243220), (2, 63621610), (4, 31810805), (5, 25448644), (10, 12724322), (13, 9787940), (20, 6362161), (26, 4893970), (31, 4104620), (52, 2446985), (62, 2052310), (65, 1957588), (124, 1026155), (130, 978794), (155, 820924), (260, 489397), (310, 410462), (403, 315740), (620, 205231), (806, 157870), (1612, 78935), (2015, 63148), (4030, 31574), (8060, 15787)]