16565320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9631}}^1$

素因数の和:9685

約数の個数: 32

約数和(自身を含む): 38142720

約数和(自身を除く): 21577400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 9631, 19262, 38524, 48155, 77048, 96310, 192620, 385240, 414133, 828266, 1656532, 2070665, 3313064, 4141330, 8282660, 16565320]

約数ペア:

[(1, 16565320), (2, 8282660), (4, 4141330), (5, 3313064), (8, 2070665), (10, 1656532), (20, 828266), (40, 414133), (43, 385240), (86, 192620), (172, 96310), (215, 77048), (344, 48155), (430, 38524), (860, 19262), (1720, 9631)]