25758880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:342

約数の個数: 96

約数和(自身を含む): 70519680

約数和(自身を除く): 44760800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 109, 112, 140, 160, 211, 218, 224, 280, 422, 436, 545, 560, 763, 844, 872, 1055, 1090, 1120, 1477, 1526, 1688, 1744, 2110, 2180, 2954, 3052, 3376, 3488, 3815, 4220, 4360, 5908, 6104, 6752, 7385, 7630, 8440, 8720, 11816, 12208, 14770, 15260, 16880, 17440, 22999, 23632, 24416, 29540, 30520, 33760, 45998, 47264, 59080, 61040, 91996, 114995, 118160, 122080, 160993, 183992, 229990, 236320, 321986, 367984, 459980, 643972, 735968, 804965, 919960, 1287944, 1609930, 1839920, 2575888, 3219860, 3679840, 5151776, 6439720, 12879440, 25758880]

約数ペア:

[(1, 25758880), (2, 12879440), (4, 6439720), (5, 5151776), (7, 3679840), (8, 3219860), (10, 2575888), (14, 1839920), (16, 1609930), (20, 1287944), (28, 919960), (32, 804965), (35, 735968), (40, 643972), (56, 459980), (70, 367984), (80, 321986), (109, 236320), (112, 229990), (140, 183992), (160, 160993), (211, 122080), (218, 118160), (224, 114995), (280, 91996), (422, 61040), (436, 59080), (545, 47264), (560, 45998), (763, 33760), (844, 30520), (872, 29540), (1055, 24416), (1090, 23632), (1120, 22999), (1477, 17440), (1526, 16880), (1688, 15260), (1744, 14770), (2110, 12208), (2180, 11816), (2954, 8720), (3052, 8440), (3376, 7630), (3488, 7385), (3815, 6752), (4220, 6104), (4360, 5908)]