128853400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{49559}}^1$

素因数の和:49588

約数の個数: 48

約数和(自身を含む): 322635600

約数和(自身を除く): 193782200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 49559, 99118, 198236, 247795, 396472, 495590, 644267, 991180, 1238975, 1288534, 1982360, 2477950, 2577068, 3221335, 4955900, 5154136, 6442670, 9911800, 12885340, 16106675, 25770680, 32213350, 64426700, 128853400]

約数ペア:

[(1, 128853400), (2, 64426700), (4, 32213350), (5, 25770680), (8, 16106675), (10, 12885340), (13, 9911800), (20, 6442670), (25, 5154136), (26, 4955900), (40, 3221335), (50, 2577068), (52, 2477950), (65, 1982360), (100, 1288534), (104, 1238975), (130, 991180), (200, 644267), (260, 495590), (325, 396472), (520, 247795), (650, 198236), (1300, 99118), (2600, 49559)]