128009050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{15149}}^1$

素因数の和:15187

約数の個数: 36

約数和(自身を含む): 257837850

約数和(自身を除く): 129828800

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1690, 4225, 8450, 15149, 30298, 75745, 151490, 196937, 378725, 393874, 757450, 984685, 1969370, 2560181, 4923425, 5120362, 9846850, 12800905, 25601810, 64004525, 128009050]

約数ペア:

[(1, 128009050), (2, 64004525), (5, 25601810), (10, 12800905), (13, 9846850), (25, 5120362), (26, 4923425), (50, 2560181), (65, 1969370), (130, 984685), (169, 757450), (325, 393874), (338, 378725), (650, 196937), (845, 151490), (1690, 75745), (4225, 30298), (8450, 15149)]