1262480

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:423

約数の個数: 40

約数和(自身を含む): 3011712

約数和(自身を除く): 1749232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 367, 430, 688, 734, 860, 1468, 1720, 1835, 2936, 3440, 3670, 5872, 7340, 14680, 15781, 29360, 31562, 63124, 78905, 126248, 157810, 252496, 315620, 631240, 1262480]

約数ペア:

[(1, 1262480), (2, 631240), (4, 315620), (5, 252496), (8, 157810), (10, 126248), (16, 78905), (20, 63124), (40, 31562), (43, 29360), (80, 15781), (86, 14680), (172, 7340), (215, 5872), (344, 3670), (367, 3440), (430, 2936), (688, 1835), (734, 1720), (860, 1468)]