11421080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 28421280

約数和(自身を除く): 17000200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 202, 220, 257, 404, 440, 505, 514, 808, 1010, 1028, 1111, 1285, 2020, 2056, 2222, 2570, 2827, 4040, 4444, 5140, 5555, 5654, 8888, 10280, 11110, 11308, 14135, 22220, 22616, 25957, 28270, 44440, 51914, 56540, 103828, 113080, 129785, 207656, 259570, 285527, 519140, 571054, 1038280, 1142108, 1427635, 2284216, 2855270, 5710540, 11421080]

約数ペア:

[(1, 11421080), (2, 5710540), (4, 2855270), (5, 2284216), (8, 1427635), (10, 1142108), (11, 1038280), (20, 571054), (22, 519140), (40, 285527), (44, 259570), (55, 207656), (88, 129785), (101, 113080), (110, 103828), (202, 56540), (220, 51914), (257, 44440), (404, 28270), (440, 25957), (505, 22616), (514, 22220), (808, 14135), (1010, 11308), (1028, 11110), (1111, 10280), (1285, 8888), (2020, 5654), (2056, 5555), (2222, 5140), (2570, 4444), (2827, 4040)]