8489920

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{617}}^1$

素因数の和:677

約数の個数: 56

約数和(自身を含む): 20720304

約数和(自身を除く): 12230384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 617, 688, 860, 1234, 1376, 1720, 2468, 2752, 3085, 3440, 4936, 6170, 6880, 9872, 12340, 13760, 19744, 24680, 26531, 39488, 49360, 53062, 98720, 106124, 132655, 197440, 212248, 265310, 424496, 530620, 848992, 1061240, 1697984, 2122480, 4244960, 8489920]

約数ペア:

[(1, 8489920), (2, 4244960), (4, 2122480), (5, 1697984), (8, 1061240), (10, 848992), (16, 530620), (20, 424496), (32, 265310), (40, 212248), (43, 197440), (64, 132655), (80, 106124), (86, 98720), (160, 53062), (172, 49360), (215, 39488), (320, 26531), (344, 24680), (430, 19744), (617, 13760), (688, 12340), (860, 9872), (1234, 6880), (1376, 6170), (1720, 4936), (2468, 3440), (2752, 3085)]