17667920

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{821}}^1$

素因数の和:1103

約数の個数: 40

約数和(自身を含む): 41280840

約数和(自身を除く): 23612920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 821, 1076, 1345, 1642, 2152, 2690, 3284, 4105, 4304, 5380, 6568, 8210, 10760, 13136, 16420, 21520, 32840, 65680, 220849, 441698, 883396, 1104245, 1766792, 2208490, 3533584, 4416980, 8833960, 17667920]

約数ペア:

[(1, 17667920), (2, 8833960), (4, 4416980), (5, 3533584), (8, 2208490), (10, 1766792), (16, 1104245), (20, 883396), (40, 441698), (80, 220849), (269, 65680), (538, 32840), (821, 21520), (1076, 16420), (1345, 13136), (1642, 10760), (2152, 8210), (2690, 6568), (3284, 5380), (4105, 4304)]