25462400

素因数分解:

$2^7\times 5^2\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:206

約数の個数: 96

約数和(自身を含む): 64346700

約数和(自身を除く): 38884300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 73, 80, 100, 109, 128, 146, 160, 200, 218, 292, 320, 365, 400, 436, 545, 584, 640, 730, 800, 872, 1090, 1168, 1460, 1600, 1744, 1825, 2180, 2336, 2725, 2920, 3200, 3488, 3650, 4360, 4672, 5450, 5840, 6976, 7300, 7957, 8720, 9344, 10900, 11680, 13952, 14600, 15914, 17440, 21800, 23360, 29200, 31828, 34880, 39785, 43600, 46720, 58400, 63656, 69760, 79570, 87200, 116800, 127312, 159140, 174400, 198925, 233600, 254624, 318280, 348800, 397850, 509248, 636560, 795700, 1018496, 1273120, 1591400, 2546240, 3182800, 5092480, 6365600, 12731200, 25462400]

約数ペア:

[(1, 25462400), (2, 12731200), (4, 6365600), (5, 5092480), (8, 3182800), (10, 2546240), (16, 1591400), (20, 1273120), (25, 1018496), (32, 795700), (40, 636560), (50, 509248), (64, 397850), (73, 348800), (80, 318280), (100, 254624), (109, 233600), (128, 198925), (146, 174400), (160, 159140), (200, 127312), (218, 116800), (292, 87200), (320, 79570), (365, 69760), (400, 63656), (436, 58400), (545, 46720), (584, 43600), (640, 39785), (730, 34880), (800, 31828), (872, 29200), (1090, 23360), (1168, 21800), (1460, 17440), (1600, 15914), (1744, 14600), (1825, 13952), (2180, 11680), (2336, 10900), (2725, 9344), (2920, 8720), (3200, 7957), (3488, 7300), (3650, 6976), (4360, 5840), (4672, 5450)]