79666960

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23159}}^1$

素因数の和:23215

約数の個数: 40

約数和(自身を含む): 189541440

約数和(自身を除く): 109874480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 23159, 46318, 92636, 115795, 185272, 231590, 370544, 463180, 926360, 995837, 1852720, 1991674, 3983348, 4979185, 7966696, 9958370, 15933392, 19916740, 39833480, 79666960]

約数ペア:

[(1, 79666960), (2, 39833480), (4, 19916740), (5, 15933392), (8, 9958370), (10, 7966696), (16, 4979185), (20, 3983348), (40, 1991674), (43, 1852720), (80, 995837), (86, 926360), (172, 463180), (215, 370544), (344, 231590), (430, 185272), (688, 115795), (860, 92636), (1720, 46318), (3440, 23159)]