25780384

素因数分解:

$2^5\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1621}}^1$

素因数の和:1709

約数の個数: 48

約数和(自身を含む): 58859136

約数和(自身を除く): 33078752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 71, 112, 142, 224, 284, 497, 568, 994, 1136, 1621, 1988, 2272, 3242, 3976, 6484, 7952, 11347, 12968, 15904, 22694, 25936, 45388, 51872, 90776, 115091, 181552, 230182, 363104, 460364, 805637, 920728, 1611274, 1841456, 3222548, 3682912, 6445096, 12890192, 25780384]

約数ペア:

[(1, 25780384), (2, 12890192), (4, 6445096), (7, 3682912), (8, 3222548), (14, 1841456), (16, 1611274), (28, 920728), (32, 805637), (56, 460364), (71, 363104), (112, 230182), (142, 181552), (224, 115091), (284, 90776), (497, 51872), (568, 45388), (994, 25936), (1136, 22694), (1621, 15904), (1988, 12968), (2272, 11347), (3242, 7952), (3976, 6484)]