13243120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:274

約数の個数: 80

約数和(自身を含む): 34149600

約数和(自身を除く): 20906480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 101, 110, 149, 176, 202, 220, 298, 404, 440, 505, 596, 745, 808, 880, 1010, 1111, 1192, 1490, 1616, 1639, 2020, 2222, 2384, 2980, 3278, 4040, 4444, 5555, 5960, 6556, 8080, 8195, 8888, 11110, 11920, 13112, 15049, 16390, 17776, 22220, 26224, 30098, 32780, 44440, 60196, 65560, 75245, 88880, 120392, 131120, 150490, 165539, 240784, 300980, 331078, 601960, 662156, 827695, 1203920, 1324312, 1655390, 2648624, 3310780, 6621560, 13243120]

約数ペア:

[(1, 13243120), (2, 6621560), (4, 3310780), (5, 2648624), (8, 1655390), (10, 1324312), (11, 1203920), (16, 827695), (20, 662156), (22, 601960), (40, 331078), (44, 300980), (55, 240784), (80, 165539), (88, 150490), (101, 131120), (110, 120392), (149, 88880), (176, 75245), (202, 65560), (220, 60196), (298, 44440), (404, 32780), (440, 30098), (505, 26224), (596, 22220), (745, 17776), (808, 16390), (880, 15049), (1010, 13112), (1111, 11920), (1192, 11110), (1490, 8888), (1616, 8195), (1639, 8080), (2020, 6556), (2222, 5960), (2384, 5555), (2980, 4444), (3278, 4040)]