55517140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1543}}^1$

素因数の和:1816

約数の個数: 48

約数和(自身を含む): 133846272

約数和(自身を除く): 78329132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 514, 1028, 1285, 1543, 1799, 2570, 3086, 3598, 5140, 6172, 7196, 7715, 8995, 10801, 15430, 17990, 21602, 30860, 35980, 43204, 54005, 108010, 216020, 396551, 793102, 1586204, 1982755, 2775857, 3965510, 5551714, 7931020, 11103428, 13879285, 27758570, 55517140]

約数ペア:

[(1, 55517140), (2, 27758570), (4, 13879285), (5, 11103428), (7, 7931020), (10, 5551714), (14, 3965510), (20, 2775857), (28, 1982755), (35, 1586204), (70, 793102), (140, 396551), (257, 216020), (514, 108010), (1028, 54005), (1285, 43204), (1543, 35980), (1799, 30860), (2570, 21602), (3086, 17990), (3598, 15430), (5140, 10801), (6172, 8995), (7196, 7715)]