27761140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{491}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 63975744

約数和(自身を除く): 36214604

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 257, 491, 514, 982, 1028, 1285, 1964, 2455, 2570, 2827, 4910, 5140, 5401, 5654, 9820, 10802, 11308, 14135, 21604, 27005, 28270, 54010, 56540, 108020, 126187, 252374, 504748, 630935, 1261870, 1388057, 2523740, 2776114, 5552228, 6940285, 13880570, 27761140]

約数ペア:

[(1, 27761140), (2, 13880570), (4, 6940285), (5, 5552228), (10, 2776114), (11, 2523740), (20, 1388057), (22, 1261870), (44, 630935), (55, 504748), (110, 252374), (220, 126187), (257, 108020), (491, 56540), (514, 54010), (982, 28270), (1028, 27005), (1285, 21604), (1964, 14135), (2455, 11308), (2570, 10802), (2827, 9820), (4910, 5654), (5140, 5401)]