138840910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{10369}}^1$

素因数の和:10492

約数の個数: 32

約数和(自身を含む): 271776960

約数和(自身を除く): 132936050

約数列:

[1, 2, 5, 10, 13, 26, 65, 103, 130, 206, 515, 1030, 1339, 2678, 6695, 10369, 13390, 20738, 51845, 103690, 134797, 269594, 673985, 1068007, 1347970, 2136014, 5340035, 10680070, 13884091, 27768182, 69420455, 138840910]

約数ペア:

[(1, 138840910), (2, 69420455), (5, 27768182), (10, 13884091), (13, 10680070), (26, 5340035), (65, 2136014), (103, 1347970), (130, 1068007), (206, 673985), (515, 269594), (1030, 134797), (1339, 103690), (2678, 51845), (6695, 20738), (10369, 13390)]