1322680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{769}}^1$

素因数の和:823

約数の個数: 32

約数和(自身を含む): 3049200

約数和(自身を除く): 1726520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 769, 860, 1538, 1720, 3076, 3845, 6152, 7690, 15380, 30760, 33067, 66134, 132268, 165335, 264536, 330670, 661340, 1322680]

約数ペア:

[(1, 1322680), (2, 661340), (4, 330670), (5, 264536), (8, 165335), (10, 132268), (20, 66134), (40, 33067), (43, 30760), (86, 15380), (172, 7690), (215, 6152), (344, 3845), (430, 3076), (769, 1720), (860, 1538)]