51931520

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1531}}^1$

素因数の和:1603

約数の個数: 64

約数和(自身を含む): 126573840

約数和(自身を除く): 74642320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 640, 848, 1060, 1531, 1696, 2120, 3062, 3392, 4240, 6124, 6784, 7655, 8480, 12248, 15310, 16960, 24496, 30620, 33920, 48992, 61240, 81143, 97984, 122480, 162286, 195968, 244960, 324572, 405715, 489920, 649144, 811430, 979840, 1298288, 1622860, 2596576, 3245720, 5193152, 6491440, 10386304, 12982880, 25965760, 51931520]

約数ペア:

[(1, 51931520), (2, 25965760), (4, 12982880), (5, 10386304), (8, 6491440), (10, 5193152), (16, 3245720), (20, 2596576), (32, 1622860), (40, 1298288), (53, 979840), (64, 811430), (80, 649144), (106, 489920), (128, 405715), (160, 324572), (212, 244960), (265, 195968), (320, 162286), (424, 122480), (530, 97984), (640, 81143), (848, 61240), (1060, 48992), (1531, 33920), (1696, 30620), (2120, 24496), (3062, 16960), (3392, 15310), (4240, 12248), (6124, 8480), (6784, 7655)]