66261280

素因数分解:

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

素因数の和:9689

約数の個数: 48

約数和(自身を含む): 160199424

約数和(自身を除く): 93938144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 9631, 19262, 38524, 48155, 77048, 96310, 154096, 192620, 308192, 385240, 414133, 770480, 828266, 1540960, 1656532, 2070665, 3313064, 4141330, 6626128, 8282660, 13252256, 16565320, 33130640, 66261280]

約数ペア:

[(1, 66261280), (2, 33130640), (4, 16565320), (5, 13252256), (8, 8282660), (10, 6626128), (16, 4141330), (20, 3313064), (32, 2070665), (40, 1656532), (43, 1540960), (80, 828266), (86, 770480), (160, 414133), (172, 385240), (215, 308192), (344, 192620), (430, 154096), (688, 96310), (860, 77048), (1376, 48155), (1720, 38524), (3440, 19262), (6880, 9631)]