28231520

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1747}}^1$

素因数の和:1863

約数の個数: 48

約数和(自身を含む): 67395888

約数和(自身を除く): 39164368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 1010, 1616, 1747, 2020, 3232, 3494, 4040, 6988, 8080, 8735, 13976, 16160, 17470, 27952, 34940, 55904, 69880, 139760, 176447, 279520, 352894, 705788, 882235, 1411576, 1764470, 2823152, 3528940, 5646304, 7057880, 14115760, 28231520]

約数ペア:

[(1, 28231520), (2, 14115760), (4, 7057880), (5, 5646304), (8, 3528940), (10, 2823152), (16, 1764470), (20, 1411576), (32, 882235), (40, 705788), (80, 352894), (101, 279520), (160, 176447), (202, 139760), (404, 69880), (505, 55904), (808, 34940), (1010, 27952), (1616, 17470), (1747, 16160), (2020, 13976), (3232, 8735), (3494, 8080), (4040, 6988)]