51408800

素因数分解:

$2^5\times 5^2\times {\mathrm{179}}^1\times {\mathrm{359}}^1$

素因数の和:558

約数の個数: 72

約数和(自身を含む): 126554400

約数和(自身を除く): 75145600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 179, 200, 358, 359, 400, 716, 718, 800, 895, 1432, 1436, 1790, 1795, 2864, 2872, 3580, 3590, 4475, 5728, 5744, 7160, 7180, 8950, 8975, 11488, 14320, 14360, 17900, 17950, 28640, 28720, 35800, 35900, 57440, 64261, 71600, 71800, 128522, 143200, 143600, 257044, 287200, 321305, 514088, 642610, 1028176, 1285220, 1606525, 2056352, 2570440, 3213050, 5140880, 6426100, 10281760, 12852200, 25704400, 51408800]

約数ペア:

[(1, 51408800), (2, 25704400), (4, 12852200), (5, 10281760), (8, 6426100), (10, 5140880), (16, 3213050), (20, 2570440), (25, 2056352), (32, 1606525), (40, 1285220), (50, 1028176), (80, 642610), (100, 514088), (160, 321305), (179, 287200), (200, 257044), (358, 143600), (359, 143200), (400, 128522), (716, 71800), (718, 71600), (800, 64261), (895, 57440), (1432, 35900), (1436, 35800), (1790, 28720), (1795, 28640), (2864, 17950), (2872, 17900), (3580, 14360), (3590, 14320), (4475, 11488), (5728, 8975), (5744, 8950), (7160, 7180)]