12998180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49993}}^1$

素因数の和:50015

約数の個数: 24

約数和(自身を含む): 29396472

約数和(自身を除く): 16398292

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 49993, 99986, 199972, 249965, 499930, 649909, 999860, 1299818, 2599636, 3249545, 6499090, 12998180]

約数ペア:

[(1, 12998180), (2, 6499090), (4, 3249545), (5, 2599636), (10, 1299818), (13, 999860), (20, 649909), (26, 499930), (52, 249965), (65, 199972), (130, 99986), (260, 49993)]