42394720

素因数分解:

$2^5\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1031}}^1$

素因数の和:1303

約数の個数: 48

約数和(自身を含む): 100644768

約数和(自身を除く): 58250048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 257, 514, 1028, 1031, 1285, 2056, 2062, 2570, 4112, 4124, 5140, 5155, 8224, 8248, 10280, 10310, 16496, 20560, 20620, 32992, 41120, 41240, 82480, 164960, 264967, 529934, 1059868, 1324835, 2119736, 2649670, 4239472, 5299340, 8478944, 10598680, 21197360, 42394720]

約数ペア:

[(1, 42394720), (2, 21197360), (4, 10598680), (5, 8478944), (8, 5299340), (10, 4239472), (16, 2649670), (20, 2119736), (32, 1324835), (40, 1059868), (80, 529934), (160, 264967), (257, 164960), (514, 82480), (1028, 41240), (1031, 41120), (1285, 32992), (2056, 20620), (2062, 20560), (2570, 16496), (4112, 10310), (4124, 10280), (5140, 8248), (5155, 8224)]