145787440

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{18043}}^1$

素因数の和:18157

約数の個数: 40

約数和(自身を含む): 342330768

約数和(自身を除く): 196543328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 18043, 36086, 72172, 90215, 144344, 180430, 288688, 360860, 721720, 1443440, 1822343, 3644686, 7289372, 9111715, 14578744, 18223430, 29157488, 36446860, 72893720, 145787440]

約数ペア:

[(1, 145787440), (2, 72893720), (4, 36446860), (5, 29157488), (8, 18223430), (10, 14578744), (16, 9111715), (20, 7289372), (40, 3644686), (80, 1822343), (101, 1443440), (202, 721720), (404, 360860), (505, 288688), (808, 180430), (1010, 144344), (1616, 90215), (2020, 72172), (4040, 36086), (8080, 18043)]