1085320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 2502720

約数和(自身を除く): 1417400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 631, 860, 1262, 1720, 2524, 3155, 5048, 6310, 12620, 25240, 27133, 54266, 108532, 135665, 217064, 271330, 542660, 1085320]

約数ペア:

[(1, 1085320), (2, 542660), (4, 271330), (5, 217064), (8, 135665), (10, 108532), (20, 54266), (40, 27133), (43, 25240), (86, 12620), (172, 6310), (215, 5048), (344, 3155), (430, 2524), (631, 1720), (860, 1262)]