1090480

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:373

約数の個数: 40

約数和(自身を含む): 2602512

約数和(自身を除く): 1512032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 317, 344, 430, 634, 688, 860, 1268, 1585, 1720, 2536, 3170, 3440, 5072, 6340, 12680, 13631, 25360, 27262, 54524, 68155, 109048, 136310, 218096, 272620, 545240, 1090480]

約数ペア:

[(1, 1090480), (2, 545240), (4, 272620), (5, 218096), (8, 136310), (10, 109048), (16, 68155), (20, 54524), (40, 27262), (43, 25360), (80, 13631), (86, 12680), (172, 6340), (215, 5072), (317, 3440), (344, 3170), (430, 2536), (634, 1720), (688, 1585), (860, 1268)]