26726635

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 39172896

約数和(自身を除く): 12446261

約数列:

[1, 5, 13, 17, 19, 65, 67, 85, 95, 221, 247, 323, 335, 361, 871, 1105, 1139, 1235, 1273, 1615, 1805, 4199, 4355, 4693, 5695, 6137, 6365, 14807, 16549, 20995, 21641, 23465, 24187, 30685, 74035, 79781, 82745, 108205, 120935, 281333, 314431, 398905, 411179, 1406665, 1572155, 2055895, 5345327, 26726635]

約数ペア:

[(1, 26726635), (5, 5345327), (13, 2055895), (17, 1572155), (19, 1406665), (65, 411179), (67, 398905), (85, 314431), (95, 281333), (221, 120935), (247, 108205), (323, 82745), (335, 79781), (361, 74035), (871, 30685), (1105, 24187), (1139, 23465), (1235, 21641), (1273, 20995), (1615, 16549), (1805, 14807), (4199, 6365), (4355, 6137), (4693, 5695)]