55043440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16001}}^1$

素因数の和:16057

約数の個数: 40

約数和(自身を含む): 130960368

約数和(自身を除く): 75916928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 16001, 32002, 64004, 80005, 128008, 160010, 256016, 320020, 640040, 688043, 1280080, 1376086, 2752172, 3440215, 5504344, 6880430, 11008688, 13760860, 27521720, 55043440]

約数ペア:

[(1, 55043440), (2, 27521720), (4, 13760860), (5, 11008688), (8, 6880430), (10, 5504344), (16, 3440215), (20, 2752172), (40, 1376086), (43, 1280080), (80, 688043), (86, 640040), (172, 320020), (215, 256016), (344, 160010), (430, 128008), (688, 80005), (860, 64004), (1720, 32002), (3440, 16001)]