22139840

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1609}}^1$

素因数の和:1669

約数の個数: 56

約数和(自身を含む): 53980080

約数和(自身を除く): 31840240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1376, 1609, 1720, 2752, 3218, 3440, 6436, 6880, 8045, 12872, 13760, 16090, 25744, 32180, 51488, 64360, 69187, 102976, 128720, 138374, 257440, 276748, 345935, 514880, 553496, 691870, 1106992, 1383740, 2213984, 2767480, 4427968, 5534960, 11069920, 22139840]

約数ペア:

[(1, 22139840), (2, 11069920), (4, 5534960), (5, 4427968), (8, 2767480), (10, 2213984), (16, 1383740), (20, 1106992), (32, 691870), (40, 553496), (43, 514880), (64, 345935), (80, 276748), (86, 257440), (160, 138374), (172, 128720), (215, 102976), (320, 69187), (344, 64360), (430, 51488), (688, 32180), (860, 25744), (1376, 16090), (1609, 13760), (1720, 12872), (2752, 8045), (3218, 6880), (3440, 6436)]